[BLF and SPA525G]

Hi there,

 

I am encountering the same problem while trying to monitor whether an extension is on the phone or not. I am following up thus this topic.

 

I am using Vodia PBX 5.3.2 with Cisco SPA525G phones.

 

I have browsed several topics in the forum but still now, I am not able to get BLF working on my Cisco phones.

 

Interestingly, I have seen that the PBX does not seem to allow SUBSCRIBE function from SPA525G. I have pasted below some of the SIP traces between the SPA525G and the PBX.

REGISTER sip:pbx.DOMAINHIDDEN.com SIP/2.0 
Via: SIP/2.0/UDP 192.168.1.24:5060;branch=z9hG4bK-43b24db 
From: "Alexandre" <sip:41@pbx.DOMAINHIDDEN.com>;tag=f8328d44a54068c2o2 
To: "Alexandre" <sip:41@pbx.DOMAINHIDDEN.com> 
Call-ID: 620fb59f-1ac46364@192.168.1.24 
CSeq: 35562 REGISTER 
Max-Forwards: 70 
Authorization: Digest username="41",realm="pbx.DOMAINHIDDEN.com",nonce="c19519c7044e06a4f305f2a0644479d3",uri="sip:pbx.DOMAINHIDDEN.com",algorithm=MD5,response="cd1155a5883d396316b1ea1663dcde95" 
Contact: "Alexandre" <sip:41@192.168.1.24:5060>;expires=3600 
User-Agent: Cisco/SPA525G-7.5.5 
Content-Length: 0 
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER, UPDATE, MESSAGE 
Supported: replaces 

It appears from the above that SPA52G does not support SUBSCRIBE method to watch the status of an extension.

 

In comparison with a SNOM 300 phone, I have seen a Subscribe registration in the SIP trace. Does Vodia PBX allow BLF reporting from the notify function?

 

How could I manage to get the BLF feature working between Vodia PBX and Cisco SIP Phones?

 

Thanks in advance,

Alex.