[cisco-voip] Use Trusted relay point info

[Adam Frankel]

You can setup a transcoder at Site A and set the regions as follows:

Site A <----> Site B (7kbps / G723)

Site A<---->Transcoder (G729 or higher)

Site B<---->Transcoder (G729 or higher)

Because the region config is set to G723, a transcoder will be invoked.  
The Region config between the transcoders and each site will be 
checked.   If neither side is talking G711 to the transcoder you will 
need a universal transcoder 
(http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/rel_notes/7_1_5/cucm-rel_notes-715.html#wp1768778). 
With CUCM 9.x+ you can accomplish something similar with Audio Codec 
Preference Lists.

--
Adam


On 8/24/2016 3:29 AM, Mauro Celli wrote:
> Hi,
> i have three  site,
> Cucm is in SiteA
> SiteB and SiteC have a vpn to SiteA
> SiteB and SiteC they can not have a vpn between them for safety reasons.
>
> To make calls from SiteB and SiteC, i have to enable "use trusted relay
> point" for all phone of B-C sites, and insert MTP.
> But if i enable this TRP, when a SiteB phone call another SiteB phone, MTP
> is inserted in call and i consume wan bandwith.
> How i can limit trusted relay point only when it is really necessary? I have
> CUCM 8.6
> Thanks
>
>
>
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> cisco-voip at puck.nether.net
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