Re: [Asterisk-Users] Cisco 79XX - Using built-in 3way conference

[Aaron Johnson]

Matthew Boehm wrote:
We recently switched to 729. I wouldn't expect that to cause built-in
conferencing to stop working.
Matthew
----- Original Message ----- 
From: "Kevin P. Fleming" <[EMAIL PROTECTED]>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<[EMAIL PROTECTED]>
Sent: Wednesday, November 03, 2004 5:28 PM
Subject: Re: [Asterisk-Users] Cisco 79XX - Using built-in 3way conference

 

Matthew Boehm wrote:
   

This works fine if caller 1 and 2 are both other phones in the office or
caller 1 is a phone in office and 2 is PSTN. Just doesn't work when both
PSTN. Worked before..
     

What codecs are involved? If you are using low-bandwidth codecs for PSTN
connections, the Cisco phones will refuse to conference two
low-bandwidth calls together. They may work with a ulaw and a
low-bandwidth call, but I haven't tested that.
   

Unfortunately, I would.  I recently ran into a problem with conferencing 
on the 7940 and 7960.  When conferencing using G.711, it works fine.  
However, the phone will not conference using G.729.  I have confirmed 
this with Cisco technical support.
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