Speaking of DSL, if it's part of the equation, ensure that you have
SIP header compression turned on in the Aastras, otherwise you might
get packet fragmentation and see strange behavior -- though this is
extremely strange.

On Fri, May 13, 2011 at 8:21 PM, Henry Coleman
<[email protected]> wrote:
> Hi Ryan, it sounds like a local problem. As Lloyd suggests a SIP phone at
> another location would soon uncover where the problem is.
> If you are using a DSL line that is also being used as an analog line you
> should check that the low pass filter is installed for any analog devices
> like a fax machine. You should also check that the local network is wired
> correctly.
> If you set up a SIP extension and send me the details off list (Domain name/
> IP address, extension number and password)  I can check this out for you.
>
> Henry
>
>
>
> On Fri, May 13, 2011 at 6:31 PM, Aloysius Lloyd 
> <[email protected]>wrote:
>
>> Hello Ryan,
>>
>> There are so many factors here
>>
>> 1. Can you try to connect remote Asterisk server using xlite. What is the
>> results?
>>
>> 2. Aastra Phone Enable the rport on the network page?
>>
>> 3. What is the model of the Aastra phone and firmware?
>>
>> Thanks
>> Lloyd
>>
>>
>> On Fri, May 13, 2011 at 4:40 PM, <[email protected]> wrote:
>>
>> >  OK, this one has me stumped.
>> >
>> >
>> >
>> > A customer of ours has a client with Aastra phones connecting to a remote
>> > asterisk
>> >
>> > 1.6 server. The 4 phones are behind a Linksys wrt160n. This is the
>> problem:
>> >
>> >
>> >
>> > When a public caller calls the aastra phone, after a few minutes the
>> caller
>> > starts to hear ringing in his handset, as if he was calling someone else
>> but
>> > he is still on the same call. Our client does not hear the ringing. Only
>> the
>> > person calling in. Its not consistent ringing either. It will ring once,
>> > stop for 10 seconds, ring twice, stop for 5 seconds and so on. Of course
>> it
>> > becomes impossible to hold a conversation.
>> >
>> >
>> >
>> > The phones are configured to use a STUN server for nat traversal, the sip
>> > ports are staggered so as not to create a conflict (phone 1 = 5060, phone
>> 2
>> > = 5062...)
>> >
>> >
>> >
>> > We tried unplugging all other phones so that there is only one Aastra
>> > connected to the network and the problem continues. I can't find anyone
>> > complaining about anything similar on the net either
>> >
>> >
>> >
>> > Do you have any ideas?
>> >
>> >
>> >
>> >
>> >
>> > Ryan Mayoff
>> > Vice-President
>> >
>> > Distributor: Telecom/Security
>> > 9740 Transcanada Highway
>> > St-Laurent,QC, H4S 1V9
>> >
>> > tol:       866-664-4242
>> > tel:       514-342-4242 ext: 239
>> > fax:       514-342-9222
>> >
>> > WWW.RUNCOMMUNICATIONS.COM <http://www.RUNCOMMUNICATIONS.COM>
>> >
>> > This e-mail communication, including all attachments, may contain
>> private,
>> > proprietary, privileged and/or confidential information and is intended
>> only
>> > for the person to whom it is addressed. Any unauthorized use, copying or
>> > distribution of the contents of this e-mail is strictly prohibited. If
>> you
>> > are not the intended recipient of this e-mail, and have received it in
>> > error, please delete it and notify the sender immediately.**
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>
>
>
> --
> * Henry Coleman*
> [image: Picture]
>

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to