Unity and G.729 Calls

Hi All,
I need to know if Cisco Unity supports G.729 calls or no?
what I know it does not.
I have a customer has a lot of branches and centralized CUCMs and Unity in HQ.
I placed the phones in HQ in HQ device pool. HQ region
and phones in BR1 in BR1 device pool. BR1 Region
Voice mail ports are in HQ device pool.
so if IP phone in HQ called Unity the call is G.711ulaw here no problem.
I was surprised when I plced call from IP phone in BR1 device pool to Unity and Unity accept the call and I checked the call by pressing ?? and it was G.729.
I checked the Media resources conifguration I do not have any transcoder defined in the Cluster.
any advise??

Yes, Unity Connection is the same. CUE supports only g.711. See the following link for the steps to disable g.729 in Unity Connection.
http://www.cisco.com/en/US/docs/voice_ip_comm/connection/7x/administration/guide/7xcucsag140.html
The advantage of forcing an external transcoder is increased performance. With a handful of calls being transcoded in software by Unity, there is no problem. If you ask Unity to transcode thousands of g.729 calls, you're going to see performance issues with the Unity server.
Hope this helps.
Brandon

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I have worked as a SQL Dba and then worked as an Exchange Admin. Currently I am working with Active Directory and have also completed my CCNP. I will doing my CCIE (R&S) soon. Will it be a good option for me to take up Unity? How big a part does Exchange/SQL play in Unity?
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Hi,
first sorry for my english.
last week i had cucm version 6.1.5 on mcs 7845 h1 and unity connection on mcs 7845 h2. all work fine.
last weekend i upgrade my cucm to version 8.5.1 and i backup the publisher to restore on UCS R210-2121605 (on virtual machine).
i keep the unity connection server on the MCS server.
yesterday on load (many call in same time) the system coming very slow to answer every 20-25 minutes for 5 minutes and unity come back correctly after 5 minutes.
last night i changed server. i toke backup of my mcs to restore on new install of UCS (new installation of unity connection).
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this is the solutoin
my unity was registred on call manager publisher on IP 10.64.1.10/255.255.255.0 gw 10.64.1.1 and my subscriber 10.64.1.140/255.255.255.0 gw 10.64.1.129.
my unity connection have ip adress: 10.64.1.170/255.255.255.0 gw 10.64.1.129.
i have i trunck between the 2 switchs with 3 vlan inside. the call managers and unity are in the same vlan but my cucm publisher are in a different building.
i don't know why, but i registred unity connection on subscriber and it's stop freeze each 20 minutes.
the theory said my cucm cluster and my uinty are in the same network (it's work fine before my upgrade) suppose to work and the same network and for communicate outside this network each server toke how gateway. but not each 20 minutes
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"CVP supports mixed G.711 and G.729"
Where do you configure the allowed codec(s)?
Also, if the ingress gateway is also the vxml gateway and the ingress is SIP with g729 only (so no midcall renegotiation) but the vxml call leg is g711 -- how do you specify the transcoding resource to be used? If I change the vxml call leg to use g729 (flat codec) also, do I still have to go through the whole hex editing thing mentioned here (http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/customer_voice_portal/cvp8_0/release/notes/cvp_801_rnotes.pdf)? I couldn't find any mention of this in the later CVP release notes, so not sure if it's still needed.
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will

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By doing so, you are violating the terms of use of this support forum
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"Breach of the Agreement
If you fail to abide by these terms Apple may remove your submission. Apple may also send an e-mail that informs you that your Submission has been deleted or edited. Repeated inappropriate Submissions may result in your relevant account or accounts being placed into temporary or permanent suspension of your ability to participate in any or all of the areas on the Site."
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Lyall,
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Got a Question? Ask BEA at http://askbea.bea.com
The views expressed in this posting are solely those of the author, and BEA
Systems, Inc. does not endorse any of these views.
BEA Systems, Inc. is not responsible for the accuracy or completeness of
the
information provided
and assumes no duty to correct, expand upon, delete or update any of the
information contained in this posting.
Lyall Pearce wrote:
The title says it all really.
I see other posts getting replies.
This is a rather important issue, I have seen another post with a similar problem.
While not being a show-stopper it certainly raises concerns.
The application works ok until the application exits (in both development and
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..Lyall

Unity and G.729 Calls

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