FYI we've worked out some issues regarding firmware 9.2.3 that will be
released upstream into sipXecs. The main issues were:


   - Security in Cisco phones was preventing secondary proxies from sending
   SIP packets to Cisco phones. The issue is that Cisco phones reject any
   packet coming from a server it is not registered to. We countered this by
   forcing all Cisco traffic to traverse the server it is registered to
   - Cisco phones cannot accept certain SIP headers, such as
   Accept-Language. There is now a proxy plugin to strip these out for Cisco
   phones
   - Cisco plugin needed some additional configuration options to work in a
   multi-server environment

George and I spent some time last week updating the Cisco plugin to add or
fix the following items:

   - Descriptive names for attributes
   - Sane defaults based on 9.2.3 firmware
   - Multiple SIP servers with fallback support
   - G.722 (for the 79x2 series)
   - SSH username and password configuration
   - Electronic hookswitch headset configuration
   - Wideband headset audio configuration
   - PoE Power Priority Configuration
   - Dialplan xml file configuration
   - softkey xml file configuration
   - sidecar add on module configuration
   - speed dial population (speed dials defined by user in user portal)
   - Reboot on configuration changes

The following items still don't work, and some of them may never work...:

   - Internal call from Cisco phone to Cisco phone, answer, perform
   attended transfer from Cisco phone to Polycom phone (record route issue)
   - Internal call from Cisco phone to Polycom phone, answer, perform blind
   or attended transfer from Cisco phone to Polycom phone (record route issue)
   - Internal call from Polycom phone to Cisco phone, answer, perform blind
   or attended transfer from Cisco phone to Cisco phone (record route issue)
   - RLS server is unable to monitor the presence of Cisco phones due to
   insufficient information provided in NOTIFY sent by Cisco phones
   - Directed call pickup is unable to function due to insufficient
   information provided in NOTIFY sent by Cisco phones
   - Cisco phones are unable to monitor the presence of other phones (due
   to the lack of RFC4662 support)
   - Bridged Line/Shared Line Appearance (it seems this doesn't work with
   Cisco Call Manager using the SIP phone firmware)
   - Music on Hold (Due to the lack of support for defining a music on hold
   server in Cisco phone config)


On Sun, May 20, 2012 at 5:26 PM, Nitin Mirchandani <
nitin_mirchand...@hotmail.com> wrote:

>  I think Cisco-polycom never worked under sipx properly.
> 8.2 was the best bet (dont remember if below issue was seen or not)
>
> Rgds
> Nitin
>
>
> ------------------------------
> Date: Sun, 20 May 2012 16:05:43 -0400
> From: beck...@sunyulster.edu
>
> To: sipx-users@list.sipfoundry.org
> Subject: Re: [sipx-users] Polycom calling Cisco issue (XX-8762)
>
> Nitin,
>  Didn't 8.2 still have transfer issues> That is, you could transfer and
> dial the destination, however, you could not complete the transfer until
> the other UA answered.
>
> Jesse Becker
> Technical Manager
> Office of Information Technology
> Network+ | Linux+ Certified Professional
> ellucian @ SUNY Ulster
> 491 Cottekill Road, Stone Ridge, NY  12484
> Tel 845-687-5064 | Fax 845-687-5105
> beck...@sunyulster.edu | www.sunyulster.edu
>  Open or check the status of a ticket by visiting Helpdesk 
> Online<https://helpdesk.sunyulster.edu/>
> Look up answers to frequently asked questions by visiting the Knowledge
> Base <https://kb.sunyulster.edu/>
>
> On 05/20/2012 09:29 AM, Nitin Mirchandani wrote:
>
>  Downgrade to 8.2 version - It will work.
> 8.3 onwards - Security prevents calling Polycom<>Cisco
>
>  ------------------------------
> Date: Sun, 20 May 2012 06:09:24 -0400
> From: mpic...@ezuce.com
> To: sipx-users@list.sipfoundry.org
> Subject: Re: [sipx-users] Polycom calling Cisco issue (XX-8762)
>
> Yea the actual problems turned out to be much deeper than this...  such as
> they cisco phones won't take calls from servers they aren't registered to
> (this is why single server installs worked but HA systems tended to fail).
>
>  There are still a couple other issues we're trying to work through for a
> customer who would like to keep a few thousand of these phones...
>
>  Mike
>
>  On Sun, May 20, 2012 at 12:58 AM, Becker, Jesse 
> <beck...@sunyulster.edu>wrote:
>
> Josh,
>   This issue is why Sen and I gave up on the interop of the Cisco Plus
> profiles in 2009. Sen and i put in a lot if effort to getting the 7906 and
> 79x1 series phones to fully work with SipX. The latest patch allowed full
> provisioning, however we found that each version of the Cisco SIP firmware
> had different issues. The earlier versions had issues with transferring and
> the message waiting light. The later versions still had issues with blind
> transfers,  however,  MWI worked. We thought we were moving forward,
> however later discovered the issue that cisco and polycoms were no longer
> able to call each other. That's when I called it quits and stopped trying
> to make it work.
>  On May 5, 2012 12:12 AM, "Josh Patten" <jpat...@ezuce.com> wrote:
>
>  For those of you who have mixed Cisco/Polycom environments and want to
> call from Polycom to Cisco, here is a temp workaround until something
> better can be devised:  http://track.sipfoundry.org/browse/XX-8762
>
>  --
> Josh Patten
> eZuce
> Solutions Architect
> O.978-296-1005 X2050
> M.979-574-5699
> http://www.ezuce.com
>
>
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>
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>
>
>
>  --
> Michael Picher, Director of Technical Services
> eZuce, Inc.
>
> 300 Brickstone Square
>
> Suite 201
>
> Andover, MA. 01810
>  O.978-296-1005 X2015
> M.207-956-0262
> @mpicher <http://twitter.com/mpicher>
> www.ezuce.com
>
>
> ------------------------------------------------------------------------------------------------------------
> There are 10 kinds of people in the world, those who understand binary and
> those who don't.
>
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-- 
Josh Patten
eZuce
Solutions Architect
O.978-296-1005 X2050
M.979-574-5699
http://www.ezuce.com
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