Voice over IP

Hi everyone,I have a question! What is difference between TDM over IP technology and routers? For TDMoIP, we can transmit E1 datas on Ethernet ports and for routers we can do this with using routing. I have searched a little and I see one difference ...

Have been trying to get VOIP service (BroadVoice) working across our Cisco 5510 to our Avaya phone system for a while. We were told all we need do is open the appropriate ports to the Avaya control unit and set up 1 to 1 Nat from the public IP of the...

Hi folks, I'm trying to register a Cisco 3905 to a multi-tenant freeswitch server. I couldn't figure out a way to tell my cisco phone to register using the SIP domain I want. No matter what combination of <proxy> and <outboundProxy> parameters I use...

We are rolling out 802.1X across our network - Some devices utilizing 7962s pc port are not authenticating. It seems to specific to 7962s   CUCM Version - 10.5.2.17900-13 Phone firmware version - SCCP42.9-4-2SR3-1S.   I found that we are hitting a bu...

Hi Connection, Kindly understand me the difference between COS & TOS...class of service and type of service   both can play the same game or something else...

If the mls qos trust device cisco-phone is configured can the auto qos voip cisco-phone? This is the error message I am getting: auto qos voip cisco-phonepolicy map AutoQoS-Police-CiscoPhone not configuredAutoQoS Error: ciscophone input service pol...

In my Design,Currently I am using single VSS of 4506-E with Ws-X45-SUP7-E Card at Distribution layer which is handling Traffic 69 access switches so Please let me know1. Whether I should use 4506-E with Ws-X45-SUP7-E Card @ cORE layer alsoand I am go...

Hi all, I'm facing a daunting task where one of our multi-site customer is having a lot of voice quality issues across most of their sites ever since we migrated them a new network with and a new hosted phone system (Broadsoft w/ polycom phones). My ...

Hello,   I have a Cisco CP-8851 and sip account on OVH. I would like to configure my CP-8851 to use OVH SIP server, but i dont know how to start. Could anyone please advise me on how to do please the exact steps, i dont know from where to start.In ot...

Here is the logs:   Mar  3 17:45:42.286: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (192.168.50.53)Mar  3 17:46:10.699: voice_reg_get_reg_expires_timer: no voice register pool foundMar  3 17:46:10.707: voice_reg_get_reg_expires_timer: ...

Hi all,   I have some doubts about matching criterias in inbound voip dial-peers, specifically when I need to configure two different inbound voip dial-peers for receiving messages from different SIP servers.   I have the following configuration (sum...

Hello everyone,   We are trying to configure a Cisco gateway 15.1(4)M10 with a FXO port and PSTN line to send calls to CUCM. We have configured the following on the router side: ! ! voice service voip ip address trusted list ipv4 10.60.90.102 255.255...

The problem is with any call to our Helpdesk from an IP Phone and getting "MOH". The caller hears our helpdesk "Greeting"but if the call is given MOH treatment after 60 sec's we get "your party is not answering"and the call terminates. If an agent is...

Hi,I have a strange issue with outgoing calles when connected to cisco 881.I got an IPphone (cisco SPA502G) which is registered to our SipServer (Public IP Server). in the past we had the 871 unit and everything was OK.since we replaced it with the n...