CdrPushRecvManager FindRecvrHunt skipping

Acme Packet SBC couldn’t push CDR logs to SDReporter. Acme Packet was logging this error message. Sep 13 10:43:01 cctrsyd2apk001 radd[29b3ed70] ERROR CdrPushRecvManager::FindRecvrHunt skipping! Receiver 10.120.32.9 is not eligible for service. The error message signifies Layer 2 or 3 connectivity issues, however upon verification everything was good (i.e. ICMP echo

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Bulk Change Cisco Phone Background in CUCM

Issue: How to bulk change Cisco phone background image in Cisco Unified Communications Manager (CUCM). Platform: Cisco Unified Communications Manager 8.x, 9.x and later. Dependencies: Correct image specifications. For example, if you are uploading background image for Cisco 9900 series phone it must conform to its dimension and color depth.

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Cisco VCS – Allow incoming TCS4 dialing

Issue: Legacy video endpoints can’t connect to Cisco video endpoints (or ex-Tandberg) when using this format of dial string IP-ADDRESS##ALIAS (example, 123.10.42.10##6100) also called as ## TCS4 dialing (Polycom video endpoints use this). Platform: Cisco VCS Expressway running on any software. Solution: Create an inbound search rule on Cisco VCS

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Acme Packet Duplicate SIP Attributes

Issue: Acme Packet SBC sending duplicate SIP attributes which causes MS Lync 2013 to drop the call. However, Cisco CUBE and Cisco Voice Gateways have no problem in processing duplicate attributes. v=0 o=- 1385372910 1385372910 IN IP4 192.168.1.1 s=- c=IN IP4 192.168.1.1 t=0 0 m=audio 10178 RTP/AVP 0 8 101

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Multicast and Unicast MoH

Issue: Multicast and unicast MoH don’t work over the PSTN. Platform: Cisco ISRs version 15.0. Solution: Disable “IP CEF” in the router. enable config t no ip cef Cisco Express Forwarding is mainly used to increase packet switching speed thus disabling “IP CEF” is not recommended. Another workaround is to

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Group Pickup on Call Hunt Group

[tweetmeme] Issue: Phones can’t pickup any calls on a phone that is member of a call hunt group.There is no parameter enabling this basic feature under enterprise parameters, service parameters and hunt pilot. Platform: This is only applicable on Cisco Unified Call Manager versions 7.x to 8.x. Solution: 1. Login

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Cisco VM Integration with SRST

In this blog entry I will only discuss how VM-integration’s call routing works. In a nutshell, VM-integration is another technique used to access (send and receive) voicemail system in a centralized setup usually deployed at the headquarters or Data Center when the IP WAN is down. During the IP WAN

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