Re: [SR-Users] Contact header modification - Kamailio

[Alex Balashov]

How did you conclude that it doesn’t work?

> On Aug 3, 2022, at 8:06 AM, Ankit Jayswal  wrote:
> 
> Hello,
> 
> Can you suggest directly replacing the value of the Contact header ? As 
> remove_hf("Contact") does not work for me.
> 
> I need just Contact:  instead of,
> Contact: 
> 
> 
> On Tue, Aug 2, 2022 at 12:56 PM Alex Balashov  
> wrote:
> The suggestion given by Henning was to remove the existing Contact header, 
> and replace it with whatever value you like.
> 
> > On Aug 2, 2022, at 1:12 AM, Ankit Jayswal  wrote:
> > 
> > Hello,
> > Whenever I try the remove_hf("Contact") function the call leg is divided 
> > into the two parts and the call is not getting set up properly and not 
> > progressing.
> > I am just looking for a function that can modify the Contact header value 
> > of an existing Contact header.
> > 
> > On Mon, Aug 1, 2022 at 8:31 PM Henning Westerholt  wrote:
> > Hello,
> > 
> >  
> > 
> > you need to do a “remove_hf(“Contact”)” before.
> > 
> >  
> > 
> > Cheers,
> > 
> >  
> > 
> > Henning
> > 
> >  
> > 
> > --
> > 
> > Henning Westerholt – https://skalatan.de/blog/
> > 
> > Kamailio services – https://gilawa.com
> > 
> >  
> > 
> > From: Ankit Jayswal  
> > Sent: Monday, August 1, 2022 4:26 PM
> > To: Henning Westerholt 
> > Cc: Kamailio (SER) - Users Mailing List ; Amey 
> > Naik ; Devanand Jalla 
> > Subject: Re: [SR-Users] Contact header modification - Kamailio
> > 
> >  
> > 
> > Hello,
> > Thanks for your reply, but I am looking to replace the value in the Contact 
> > header. Which function can help me to do this ?
> > I tried, 
> > assign_hf_value("Contact", "");
> > 
> > 
> > But that is not working properly, it assigns value but previous value also 
> > remains in it.
> > 
> >  
> > 
> > On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt  wrote:
> > 
> > Hello,
> > 
> >  
> > 
> > the topos module can do that, among other things. Alternatively there is 
> > also the topoh module, which do not need any backend storage.
> > 
> >  
> > 
> > Cheers,
> > 
> >  
> > 
> > Henning
> > 
> >  
> > 
> > --
> > 
> > Henning Westerholt – https://skalatan.de/blog/
> > 
> > Kamailio services – https://gilawa.com
> > 
> >  
> > 
> > From: sr-users  On Behalf Of Ankit 
> > Jayswal
> > Sent: Monday, August 1, 2022 2:37 PM
> > To: sr-users@lists.kamailio.org
> > Cc: Amey Naik ; Devanand Jalla 
> > 
> > Subject: [SR-Users] Contact header modification - Kamailio
> > 
> >  
> > 
> > Hello Team,
> > 
> > I am in need to modify the contact header in Kamailio before sending an 
> > INVITE request to the SIP trunk provider. Basically the IP address I need 
> > to modify in the contact header. Please suggest a better way to do this. 
> > Below is an example.
> > 
> > OLD (Existing):
> > 
> > Contact: 
> > 
> >  
> > 
> > NEW (Needed):
> > 
> > Contact: 
> > 
> > I tried various functions from the textops module but no hope.
> > I am looking for a function that can replace the contact header's value. 
> > Please help me with this.
> > 
> >  
> > 
> > --
> > 
> > Thanks & Regards,
> > Ankit Jayswal | Specialist - Software Development
> > 
> > __
> > Kamailio - Users Mailing List - Non Commercial Discussions
> >  * sr-users@lists.kamailio.org
> > Important: keep the mailing list in the recipients, do not reply only to 
> > the sender!
> > Edit mailing list options or unsubscribe:
> >  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> 
> -- 
> Alex Balashov | Principal | Evariste Systems LLC
> 
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
> 
> 
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to the 
> sender!
> Edit mailing list options or unsubscribe:
>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>  * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to the 
> sender!
> Edit mailing list options or unsubscribe:
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-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/


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Re: [SR-Users] Contact header modification - Kamailio

[Ankit Jayswal]

Hello,

Can you suggest directly replacing the value of the Contact header ? As
remove_hf("Contact") does not work for me.

I need just *Contact: http://sip:009122692405xx@10.52.26.98:5060>> *instead of,
*Contact: *


On Tue, Aug 2, 2022 at 12:56 PM Alex Balashov 
wrote:

> The suggestion given by Henning was to remove the existing Contact header,
> and replace it with whatever value you like.
>
> > On Aug 2, 2022, at 1:12 AM, Ankit Jayswal 
> wrote:
> >
> > Hello,
> > Whenever I try the remove_hf("Contact") function the call leg is divided
> into the two parts and the call is not getting set up properly and not
> progressing.
> > I am just looking for a function that can modify the Contact header
> value of an existing Contact header.
> >
> > On Mon, Aug 1, 2022 at 8:31 PM Henning Westerholt  wrote:
> > Hello,
> >
> >
> >
> > you need to do a “remove_hf(“Contact”)” before.
> >
> >
> >
> > Cheers,
> >
> >
> >
> > Henning
> >
> >
> >
> > --
> >
> > Henning Westerholt – https://skalatan.de/blog/
> >
> > Kamailio services – https://gilawa.com
> >
> >
> >
> > From: Ankit Jayswal 
> > Sent: Monday, August 1, 2022 4:26 PM
> > To: Henning Westerholt 
> > Cc: Kamailio (SER) - Users Mailing List ;
> Amey Naik ; Devanand Jalla <
> devanand.ja...@engagely.ai>
> > Subject: Re: [SR-Users] Contact header modification - Kamailio
> >
> >
> >
> > Hello,
> > Thanks for your reply, but I am looking to replace the value in the
> Contact header. Which function can help me to do this ?
> > I tried,
> > assign_hf_value("Contact", "");
> >
> >
> > But that is not working properly, it assigns value but previous value
> also remains in it.
> >
> >
> >
> > On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt  wrote:
> >
> > Hello,
> >
> >
> >
> > the topos module can do that, among other things. Alternatively there is
> also the topoh module, which do not need any backend storage.
> >
> >
> >
> > Cheers,
> >
> >
> >
> > Henning
> >
> >
> >
> > --
> >
> > Henning Westerholt – https://skalatan.de/blog/
> >
> > Kamailio services – https://gilawa.com
> >
> >
> >
> > From: sr-users  On Behalf Of Ankit
> Jayswal
> > Sent: Monday, August 1, 2022 2:37 PM
> > To: sr-users@lists.kamailio.org
> > Cc: Amey Naik ; Devanand Jalla <
> devanand.ja...@engagely.ai>
> > Subject: [SR-Users] Contact header modification - Kamailio
> >
> >
> >
> > Hello Team,
> >
> > I am in need to modify the contact header in Kamailio before sending an
> INVITE request to the SIP trunk provider. Basically the IP address I need
> to modify in the contact header. Please suggest a better way to do this.
> Below is an example.
> >
> > OLD (Existing):
> >
> > Contact: 
> >
> >
> >
> > NEW (Needed):
> >
> > Contact: 
> >
> > I tried various functions from the textops module but no hope.
> > I am looking for a function that can replace the contact header's value.
> Please help me with this.
> >
> >
> >
> > --
> >
> > Thanks & Regards,
> > Ankit Jayswal | Specialist - Software Development
> >
> > __
> > Kamailio - Users Mailing List - Non Commercial Discussions
> >  * sr-users@lists.kamailio.org
> > Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> > Edit mailing list options or unsubscribe:
> >  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
>
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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Re: [SR-Users] Contact header modification - Kamailio

[Alex Balashov]

The suggestion given by Henning was to remove the existing Contact header, and 
replace it with whatever value you like.

> On Aug 2, 2022, at 1:12 AM, Ankit Jayswal  wrote:
> 
> Hello,
> Whenever I try the remove_hf("Contact") function the call leg is divided into 
> the two parts and the call is not getting set up properly and not progressing.
> I am just looking for a function that can modify the Contact header value of 
> an existing Contact header.
> 
> On Mon, Aug 1, 2022 at 8:31 PM Henning Westerholt  wrote:
> Hello,
> 
>  
> 
> you need to do a “remove_hf(“Contact”)” before.
> 
>  
> 
> Cheers,
> 
>  
> 
> Henning
> 
>  
> 
> --
> 
> Henning Westerholt – https://skalatan.de/blog/
> 
> Kamailio services – https://gilawa.com
> 
>  
> 
> From: Ankit Jayswal  
> Sent: Monday, August 1, 2022 4:26 PM
> To: Henning Westerholt 
> Cc: Kamailio (SER) - Users Mailing List ; Amey 
> Naik ; Devanand Jalla 
> Subject: Re: [SR-Users] Contact header modification - Kamailio
> 
>  
> 
> Hello,
> Thanks for your reply, but I am looking to replace the value in the Contact 
> header. Which function can help me to do this ?
> I tried, 
> assign_hf_value("Contact", "");
> 
> 
> But that is not working properly, it assigns value but previous value also 
> remains in it.
> 
>  
> 
> On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt  wrote:
> 
> Hello,
> 
>  
> 
> the topos module can do that, among other things. Alternatively there is also 
> the topoh module, which do not need any backend storage.
> 
>  
> 
> Cheers,
> 
>  
> 
> Henning
> 
>  
> 
> --
> 
> Henning Westerholt – https://skalatan.de/blog/
> 
> Kamailio services – https://gilawa.com
> 
>  
> 
> From: sr-users  On Behalf Of Ankit 
> Jayswal
> Sent: Monday, August 1, 2022 2:37 PM
> To: sr-users@lists.kamailio.org
> Cc: Amey Naik ; Devanand Jalla 
> 
> Subject: [SR-Users] Contact header modification - Kamailio
> 
>  
> 
> Hello Team,
> 
> I am in need to modify the contact header in Kamailio before sending an 
> INVITE request to the SIP trunk provider. Basically the IP address I need to 
> modify in the contact header. Please suggest a better way to do this. Below 
> is an example.
> 
> OLD (Existing):
> 
> Contact: 
> 
>  
> 
> NEW (Needed):
> 
> Contact: 
> 
> I tried various functions from the textops module but no hope.
> I am looking for a function that can replace the contact header's value. 
> Please help me with this.
> 
>  
> 
> --
> 
> Thanks & Regards,
> Ankit Jayswal | Specialist - Software Development
> 
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>  * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to the 
> sender!
> Edit mailing list options or unsubscribe:
>  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/


__
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  * sr-users@lists.kamailio.org
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sender!
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Re: [SR-Users] Contact header modification - Kamailio

[Ankit Jayswal]

Hello,
Whenever I try the *remove_hf("Contact")* function the call leg is divided
into the two parts and the call is not getting set up properly and not
progressing.
I am just looking for a function that can modify the Contact header value
of an existing Contact header.

On Mon, Aug 1, 2022 at 8:31 PM Henning Westerholt  wrote:

> Hello,
>
>
>
> you need to do a “remove_hf(“Contact”)” before.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* Ankit Jayswal 
> *Sent:* Monday, August 1, 2022 4:26 PM
> *To:* Henning Westerholt 
> *Cc:* Kamailio (SER) - Users Mailing List ;
> Amey Naik ; Devanand Jalla <
> devanand.ja...@engagely.ai>
> *Subject:* Re: [SR-Users] Contact header modification - Kamailio
>
>
>
> Hello,
> Thanks for your reply, but I am looking to replace the value in the
> Contact header. Which function can help me to do this ?
> I tried,
> *assign_hf_value("Contact", " <http://sip:00912269240xxx@10.52.26.98:5060>>");*
>
>
> But that is not working properly, it assigns value but previous value also
> remains in it.
>
>
>
> On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt  wrote:
>
> Hello,
>
>
>
> the topos module can do that, among other things. Alternatively there is
> also the topoh module, which do not need any backend storage.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* sr-users  *On Behalf Of *Ankit
> Jayswal
> *Sent:* Monday, August 1, 2022 2:37 PM
> *To:* sr-users@lists.kamailio.org
> *Cc:* Amey Naik ; Devanand Jalla <
> devanand.ja...@engagely.ai>
> *Subject:* [SR-Users] Contact header modification - Kamailio
>
>
>
> Hello Team,
>
> I am in need to modify the contact header in Kamailio before sending an
> INVITE request to the SIP trunk provider. Basically the IP address I need
> to modify in the contact header. Please suggest a better way to do this.
> Below is an example.
>
> *OLD (Existing):*
>
> Contact: 
>
>
>
> *NEW (Needed):*
>
> Contact: http://10.52.26.98:5060>*>
>
> I tried various functions from the textops module but no hope.
> I am looking for a function that can replace the contact header's value.
> Please help me with this.
>
>
>
> --
>
> Thanks & Regards,
> *Ankit Jayswal* | Specialist - Software Development
>
>
__
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Re: [SR-Users] Contact header modification - Kamailio

[Ankit Jayswal]

Hello,
Yes, actually my call flow for outbound calls is, Kamailio => Asterisk =>
Kamailio (route(PSTN)). SIP trunk is available at Kamailio server.
So, when final outbound INVITE goes to the SIP trunk provider it expects a
particular Contact header IP, instead of Asterisk server IP.

On Mon, Aug 1, 2022 at 10:20 PM Alex Balashov 
wrote:

> Before you do this, I would ask yourself why you’re doing this, and
> whether it’s a good idea from a technical point of view.
>
> > On Aug 1, 2022, at 8:36 AM, Ankit Jayswal 
> wrote:
> >
> > Hello Team,
> >
> > I am in need to modify the contact header in Kamailio before sending an
> INVITE request to the SIP trunk provider. Basically the IP address I need
> to modify in the contact header. Please suggest a better way to do this.
> Below is an example.
> >
> > OLD (Existing):
> > Contact: 
> >
> > NEW (Needed):
> > Contact: 
> >
> > I tried various functions from the textops module but no hope.
> > I am looking for a function that can replace the contact header's value.
> Please help me with this.
> >
> > --
> > Thanks & Regards,
> > Ankit Jayswal | Specialist - Software Development
> > __
> > Kamailio - Users Mailing List - Non Commercial Discussions
> >  * sr-users@lists.kamailio.org
> > Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> > Edit mailing list options or unsubscribe:
> >  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
>
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
__
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Re: [SR-Users] Contact header modification - Kamailio

[Alex Balashov]

Before you do this, I would ask yourself why you’re doing this, and whether 
it’s a good idea from a technical point of view.

> On Aug 1, 2022, at 8:36 AM, Ankit Jayswal  wrote:
> 
> Hello Team,
> 
> I am in need to modify the contact header in Kamailio before sending an 
> INVITE request to the SIP trunk provider. Basically the IP address I need to 
> modify in the contact header. Please suggest a better way to do this. Below 
> is an example.
> 
> OLD (Existing):
> Contact: 
> 
> NEW (Needed):
> Contact: 
> 
> I tried various functions from the textops module but no hope.
> I am looking for a function that can replace the contact header's value. 
> Please help me with this.
> 
> -- 
> Thanks & Regards,
> Ankit Jayswal | Specialist - Software Development
> __
> Kamailio - Users Mailing List - Non Commercial Discussions
>  * sr-users@lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to the 
> sender!
> Edit mailing list options or unsubscribe:
>  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/


__
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Re: [SR-Users] Contact header modification - Kamailio

[Henning Westerholt]

Hello,

you need to do a “remove_hf(“Contact”)” before.

Cheers,

Henning

--
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com<https://gilawa.com/>

From: Ankit Jayswal 
Sent: Monday, August 1, 2022 4:26 PM
To: Henning Westerholt 
Cc: Kamailio (SER) - Users Mailing List ; Amey 
Naik ; Devanand Jalla 
Subject: Re: [SR-Users] Contact header modification - Kamailio

Hello,
Thanks for your reply, but I am looking to replace the value in the Contact 
header. Which function can help me to do this ?
I tried,
assign_hf_value("Contact", 
"http://sip:00912269240xxx@10.52.26.98:5060>>");

But that is not working properly, it assigns value but previous value also 
remains in it.

On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt 
mailto:h...@gilawa.com>> wrote:
Hello,

the topos module can do that, among other things. Alternatively there is also 
the topoh module, which do not need any backend storage.

Cheers,

Henning

--
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com<https://gilawa.com/>

From: sr-users 
mailto:sr-users-boun...@lists.kamailio.org>>
 On Behalf Of Ankit Jayswal
Sent: Monday, August 1, 2022 2:37 PM
To: sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>
Cc: Amey Naik mailto:amey.n...@engagely.ai>>; Devanand 
Jalla mailto:devanand.ja...@engagely.ai>>
Subject: [SR-Users] Contact header modification - Kamailio

Hello Team,

I am in need to modify the contact header in Kamailio before sending an INVITE 
request to the SIP trunk provider. Basically the IP address I need to modify in 
the contact header. Please suggest a better way to do this. Below is an example.
OLD (Existing):
Contact: 

NEW (Needed):
Contact: http://10.52.26.98:5060>>

I tried various functions from the textops module but no hope.
I am looking for a function that can replace the contact header's value. Please 
help me with this.

--
Thanks & Regards,
Ankit Jayswal | Specialist - Software Development
__
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  * sr-users@lists.kamailio.org
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Re: [SR-Users] Contact header modification - Kamailio

[Ankit Jayswal]

Hello,
Thanks for your reply, but I am looking to replace the value in the Contact
header. Which function can help me to do this ?
I tried,
*assign_hf_value("Contact", "http://sip:00912269240xxx@10.52.26.98:5060>>");*

But that is not working properly, it assigns value but previous value also
remains in it.

On Mon, Aug 1, 2022 at 6:11 PM Henning Westerholt  wrote:

> Hello,
>
>
>
> the topos module can do that, among other things. Alternatively there is
> also the topoh module, which do not need any backend storage.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt – https://skalatan.de/blog/
>
> Kamailio services – https://gilawa.com
>
>
>
> *From:* sr-users  *On Behalf Of *Ankit
> Jayswal
> *Sent:* Monday, August 1, 2022 2:37 PM
> *To:* sr-users@lists.kamailio.org
> *Cc:* Amey Naik ; Devanand Jalla <
> devanand.ja...@engagely.ai>
> *Subject:* [SR-Users] Contact header modification - Kamailio
>
>
>
> Hello Team,
>
> I am in need to modify the contact header in Kamailio before sending an
> INVITE request to the SIP trunk provider. Basically the IP address I need
> to modify in the contact header. Please suggest a better way to do this.
> Below is an example.
>
> *OLD (Existing):*
>
> Contact: 
>
>
>
> *NEW (Needed):*
>
> Contact: http://10.52.26.98:5060>*>
>
> I tried various functions from the textops module but no hope.
> I am looking for a function that can replace the contact header's value.
> Please help me with this.
>
>
>
> --
>
> Thanks & Regards,
> *Ankit Jayswal* | Specialist - Software Development
>
__
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Re: [SR-Users] Contact header modification - Kamailio

[Henning Westerholt]

Hello,

the topos module can do that, among other things. Alternatively there is also 
the topoh module, which do not need any backend storage.

Cheers,

Henning

--
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com

From: sr-users  On Behalf Of Ankit Jayswal
Sent: Monday, August 1, 2022 2:37 PM
To: sr-users@lists.kamailio.org
Cc: Amey Naik ; Devanand Jalla 

Subject: [SR-Users] Contact header modification - Kamailio

Hello Team,

I am in need to modify the contact header in Kamailio before sending an INVITE 
request to the SIP trunk provider. Basically the IP address I need to modify in 
the contact header. Please suggest a better way to do this. Below is an example.
OLD (Existing):
Contact: 

NEW (Needed):
Contact: http://10.52.26.98:5060>>

I tried various functions from the textops module but no hope.
I am looking for a function that can replace the contact header's value. Please 
help me with this.

--
Thanks & Regards,
Ankit Jayswal | Specialist - Software Development
__
Kamailio - Users Mailing List - Non Commercial Discussions
  * sr-users@lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to the 
sender!
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  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users