I have a CUCM 7.0 and GK and CME with 12.4T version.
The ICT on GK is configured in a region to talk in G729 with phones.
The dial-peer on CME for GK is without any voice-codec class.Default is G729
The gatekeeper has not any bandwidth commands
I made a call between two phones,one in CUCM site and the other one in CME sites by GK.
From CM to CME the codec for this call is G729. I saw the codec on all places(phone registered in CUCM, phohne registered in CME, ad on GK by show active calls)
From CME to CM the codec is on both phones G729, Instead on GK is G711(128Kbits by sh gatekeeper calls)
There is not CUBE or other devices betwwen CUCM and CME excluded the GK
interface loopback 0 h323-gateway voip interface h323-gateway voip id HQ ipaddr 10.10.200.3 h323-gateway voip H323-ID CUCME h323-gateway voip tech-prefix 090 h323-gateway voip bind srcaddr 10.10.110.3 exit
dial-peer voice 1 voip description from/to GK incoming called-number . destination-pattern 2... tech-prefix 4 session target ras no vad exit
gatekeeper zone local HQ cisco.com ip 10.10.200.3 no shut exit
ARQ requests 1280 when no regions are defined to use g711
ARQ sent to gatekeeper requests bandwidth for a g711 call (1280) even though only g729 is configured in all of the regions.
In a call routed to a GK controlled ICT and all regions are configured for g729, the originating CCM requests 160 in the ARQ to the gatekeeper. When the h225 setup arrives at the terminating CCM, an ARQ is sent to the gatekeeper requesting 1280. This is because the IntraAudioRegionDefault and InterAudioRegionDefault service paramater settings are included in the calculation for the maximum bandwidth request. Callmanager default setting for IntraAudioRegionDefault is g711.
It should check region pair before applying default if there is nothing matched.
Set both service parameters to g729, or increase zone bandwidth setting on the gatekeeper
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