When interoperating with Cisco Unified Contact Centre Enterprise (UCCE) following behaviour has been observed:
User makes a call from Remote export to a UCCE has ViQ (Video in Queue) enabled, you get the initial video in queue but when connected to agent the remote expert user does not receive the video from the agent.
1. Changes to CUBE config
1.1 - Add asymmetric payload full to voice service voip section (Example):
voice service voip
no ip address trusted authenticate
rtp-port range 16384 32766
allow-connections sip to sip
bind control source-interface GigabitEthernet0/0
bind media source-interface GigabitEthernet0/0
rel1xx supported "rel100"
asymmetric payload full
1.2 - Add RTP payload mappings to dialpeer (number calling to CVP ViQ example below)
dial-peer voice 60 voip
description Incoming SIP Dialpeer direct to CVP
video codec h264
rtp payload-type cisco-codec-fax-ack 107
rtp payload-type cisco-codec-video-h264 97
session protocol sipv2
session target ipv4:22.214.171.124
incoming called-number 6001.
2. If running IOS on CUBE that is anything other than Version 15.2(4)M2 then you may need to make the following changes to CVP :
On CVP you can find sip.properties in C:\Cisco\CVP\Conf\sip.properties and set EarlyOfferSupport to false.
# If set (true), CVP b2bua will use early offer on an outbound call, only if the initial caller used early offer.
SIP.EarlyOfferSupport = false
Then restart each CVP
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