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incoming video call - help please

Hi Guru,

who can provide help for the below setup


PSTN----->T1 PRI--------Voice gateway-------CallManager---------Gatekeeper---------Video device

both call manager and video device registered with gatekeeper, video device has number as 2222, video device working internally between video devices and video advantage

in same time, video device is working for making outbound video call over T1 PRI by using a 2951 voice gateway

i am following cisco doc as

however, incoming video call is not working

on PSTN, telco sending last 4digits for the DID, and I have 8*DIDs for the video device, the 8*DIDs number are

1001 to 1008   (full DID is XXX-XXX-1001 to 1008)

from PSTN, when I call XXX-XXX-1001, there is only one B channel (h320 call) up, the rest chnannel can not be bouded together. any help appreciated

my 2951 config like

voice service voip
fax protocol cisco
  call start slow

voice class codec 10
codec preference 1 g711ulaw
video codec h263
video codec h263+
video codec h264

voice class h323 1
  call start slow
  h245 caps mode unrestricted

voice class called number pool 2001
index 1 2001 - 2009

voice translation-rule 1001
rule 1 /^1001/ /2222/

voice translation-profile 4Video
translate called 1001

interface Serial0/0/0:23
no ip address
encapsulation hdlc
isdn switch-type primary-dms100
isdn bchan-number-order ascending
isdn integrate calltype all

voice-port 0/0/0:23
voice-class called-number-pool 2001
translation-profile incoming 4Video

dial-peer voice 2222 voip
destination-pattern 22..$
rtp payload-type cisco-codec-video-h263+ 110
voice-class codec 10
voice-class h323 1
session target ipv4: (call manager IP, then call manager forward the call to gatekeeper)
dtmf-relay h245-alphanumeric
no vad
dial-peer voice 1001 pots
description incoming video call to Large room
information-type video
incoming called-number 22..
bandwidth maximum 384
port 0/0/0:23