I know that the sipXecs uses RFC4235 for BLF. SPA942 phone also
supports this RFC. If you look at a capture file contents
("SPA942-BLF-demo-filtered.pcap" at
http://track.sipfoundry.org/secure/attachment/26627/SPA942-BLF-demo-filtered.pcap)
you will see that phone can successfully exchange with PBX messages
corresponding to RFC4235. Probably, there is a difference in RFC
implementation in sipX and SPA942. I have tried to set RFC3265_4235 as
Server Type in phone settings, but BLF feature doesn’t work in this
case too (look a snapshot
"sipx-snapshot-BLF-problem--SPA942-server-type-RFC.tar.gz" at
http://track.sipfoundry.org/secure/attachment/26626/sipx-snapshot-BLF-problem--SPA942-server-type-RFC.tar.gz).
I hope that somebody from sipXecs developers will find time to study
this problem.
--
Sincerely yours,
Alexey Kanukhin
On Tue, Sep 7, 2010 at 2:26 PM, Tony Graziano
<[email protected]> wrote:
> If it matters, sipxecs uses RFC4235 (dialogue events) for blf.
>
> On 9/7/10, Alexey Kanukhin <[email protected]> wrote:
>> Hello,
>>
>> I have found a problem with a BLF feature in Linksys SPA942 IP phone.
>> I tested BLF feature on sipX versions 4.2.1 and 4.3 (4.3.0-019022
>> 2010-09-04T14:32:55 build13), but had no success. When I searched
>> information about this problem I have found a thread in the "sipx-dev"
>> mailing list and an issue #XX-7011 in SIPfoundry Issue Tracker
>> (http://track.sipfoundry.org/browse/XX-7011). I also have found that
>> SPA942 phone's BLF feature works with 3CX, Brekeke and Asterisk based
>> PBXs, Broadsoft and Sylantro softswitches. SPA942 phone has special
>> option (Server Type) for work with various VoIP systems. The Server
>> Type settings are: Broadsoft, SPA9000, Asterisk, RFC3265_4235 and
>> Sylantro.
>> I hope that there is a way to reach compatibility between SPA942 phone
>> and sipX for successful work with BLF feature. Therefore I have
>> decided to update an issue #XX-7011. I have attached two sipX
>> snapshots for two operating modes of SPA942 phone - with the settings
>> used for work with Asterisk based PBXs and with settings which close
>> to recommended for manual BLF feature configuration
>> (http://sipx-wiki.calivia.com/index.php/HowTo_manually_configure_BLF_in_a_phone).
>> In last case SPA942 phone tries to subscribe to
>> <sip:~~rl~f~[us...@sipx_ip_address> URI and use RFC3265_4235 as Server
>> Type.
>>
>> I also have attached a file "SPA942-BLF-demo-filtered.pcap" with SIP
>> messages capture which demonstrates work of BLF feature in SPA942
>> phones with Asterisk Server Type mode. Configuration of SPA942 phones
>> in this case the same, as used for a snapshot with Asterisk based PBXs
>> (Asterisk is used for Server Type).
>>
>>
>> --
>> Sincerely yours,
>> Alexey Kanukhin
>>
>>
>>
>> From: Douglas Hubler <dhub...@xxxxxxxxx>
>> Date: Wed, 28 Jul 2010 01:39:40 -0400
>>
>> On Wed, Jul 28, 2010 at 12:25 AM, Positively Optimistic
>> <positivelyoptimis...@xxxxxxxxx> wrote:
>>> However, I'm attempting to get BLF to work on the Cisco/Linksys line of
>>> phones, and encountering extreme difficulty with BLF.
>>
>> Can you elaborate. Are you seeing same issue, phone returns 501 not
>> implemented?
>>
>>> After some digging,
>>> I discovered that someone had already opened the issue. Is this still a
>>> known issue?
>>
>> You may want to test this on latest test build "sipxecs-4.3.0-testing"
>> or at least latest stable sipxecs-4.2.1 (if you haven't already) from
>> http://download.sipfoundry.org/pub/sipXecs/ISO/
>> and respond back with your results.
>> _______________________________________________
>> sipx-dev mailing list
>> [email protected]
>> List Archive: http://list.sipfoundry.org/archive/sipx-dev/
>>
>
> --
> Sent from my mobile device
>
> ======================
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: [email protected]
> Fax: 434.984.8431
>
> Email: [email protected]
>
> LAN/Telephony/Security and Control Systems Helpdesk:
> Telephone: 434.984.8426
> sip: [email protected]
> Fax: 434.984.8427
>
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>
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