Are there any fundamental differences between the Cisco IP/VC MCUs and the RadVision equivalents, e.g. Cisco IP/VC 3511 and RadVision viaIP 100?Will the RadVision JVS scheduling software operate with the Cisco IP/VC MCUs?
I’m trying to dial my IPVC IVR from a IP phone. I have set up H.225 trunk in CCM and a route pattern to point to that trunk. I created a static e.164 address on the gatekeeper to point to the IVR. When I dial the IVR from a phone “IVR Application” sh...
I'm designing a new solution for a customer where i want to ensure there is redundancy for my "Directory Gatekeepers". What methods of redundancy works best for Directory Gatekeeper? Is HSRP good or Alternate Gatekeeper better? Any suggestions would ...
Hi all (1) Pls I need someone to explain port forwarding i.e. forwarding a udp port to a specific host .Can Natting be used? (2)Secondly what is SIP NAT traversal? What is the effect of turning it off? (3)I have natting configured on my router if I i...
I have a Point-to-Point WAN using T1s. I have at the host location a Northstar connected to a 3640 via a T1 (NM-HD), and the remote sites 1751 with E&M trunks to a Northstar. All of this works fine, we added a new site with a Nortel BMC 50. I can ...
Is it possible to configure an H.323 endpoint/MCU to dial out to SCCP endpoints (e.g. Tandberg Skinny compatible endpoints, Cisco VTA and the Cisco 7895 video phone)?I can set up a gatekeeper-controlled trunk (and associated route pattern) to allow S...
Is it possible to create a continuous presence multipoint-conference using an IP/VC 3511 SCCP MCU? I know this was a limitation some time ago, but wonder whether later code and the EMP module/option has changed this?
We have an Interstar Fax server that supports T.38. I want to use T.38 to send faxes using H323 signalling to a 2610 with a wic-2am card witt analog lines connected.When I configure the dial-peer voice 1 pots, I have no option to choose the async int...
Hi!We have a Cisco CallManager cluster with redundant H.323 Voice gateways forPSTN connectivity. The CCM version is 4.1(2) and the VG's are Cisco 3745routers running 12.3 mainline IP VOICE image. When the PRI links on thefirst VG goes down, the CCM d...
Hi all,I was wondering if a ordinary BRI-WIC (ISDN-2) which you normally use for dial backup, would support dial out for voice? I am thinking of configuring a C1760 with callmanager so I can dial out to the PSTN using this ISDN-WIC.Would this be poss...
I am new to VOIP and Voicemail over VOIP in general. I have a fault at the moment with Voicemail failing over VOIP network. Are there any good documents that I could read ? Thanks Mary
I have a Catalyst 4506 switch with a single WS-X4013+ sup ll plus and 3- WS-X4548-GB-RJ45V with PoE. I will be connecting Cisco IP Phone 7960. The set up will be the phone will be connected into the wall jack and the PC\Laptop will be connected into ...
I have a faxing platform, (XMedius) and I want to send T.38 traffic to an AS5400, and based on the destination number have the call sent locally off a T1, or forward the call via T.38 to an ISP (Quest) using a G729 codec for delivery by the ISP. Is t...
Please my calls are completing, call any one tell me why the calls are dropping by reading the errors below:*Mar 25 07:42:43.843: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:Sent:SIP/2.0 404 Not FoundVia: SIP/2.0/UDP 66.98.180.77:5060;branch=z9hG4bK3b9...
My environment is as follows :phoneA--<PBX>-FXO-<Router2821>--WAN--<Router2801>-FXO-<PBX>-phoneBPhoneA NO# is 375 PhoneB NO# is 312the related configurations from Router2821 are as follows:voice-port 1/1/3 supervisory disconnect anytone cptone TH tim...
