09-03-2012 09:26 AM - edited 03-16-2019 01:00 PM
Hi,
I jus deployed IP Phones 3905, but they are unable to create a conference of more than 3 participants. Every time we add the fourth, it drops the las one joined.
I know these phones have like a million limitants, but i havent been lucky to find this issue documented. Does anybody knows if this issue is documented? or if it is some weird issue im experiencing.
Yet another question. Why do these phones do not use the Voice Gateway as conference bridge or the software conference bridge? Is it documented anywhere?
Regards.
09-03-2012 10:05 AM
Hi Jesus,
Are you using a CUCM or CME?
can you confirm the same.
Regards,
Kevin Monteiro
09-03-2012 10:14 AM
CUCM 8.6
12-09-2014 05:54 AM
del.
09-03-2012 10:17 AM
By the way, i already found documented that they support only a conference of three participants:
http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/3905/8_6/english/user_guide/3905enu_921.pdf
(page 15)
But what i cant understand is why dont they use the gateway as conference bridge or the software conference bridge
09-03-2012 11:40 AM
09-03-2012 11:45 AM
We have actually configured conferences with 8 participants (we have a ISR 2951 with enogh DSPs, everything is configured as it should on the CUCM side). we tested with other phones ans IP comm and we are able to do conferences of more than 3 participants, but with the 3905, we just cant. Apparently they are not using the conference bridges.
11-06-2012 01:09 AM
Hi,
Try to upgrade the firmware, I am using 3905.9-2-2-0. The 3905 using Conference Bridge.
Regards,
Humala Pontas
11-06-2012 10:16 AM
With that firmware are you able to conference more than 3 participants?
11-06-2012 01:41 PM
No, it's still only 3 participants for 3905. And even if we invite from others phone type, it will shows unavailable message when the conference already have 3 participants.
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