Voice over IP

Hi All,i am new to this field i don't no much about this integration. Please if anybody help me  I want to connect our voice gateway cisco 2800 to H323 external service provider, they send us username /password  and public ip. what shall i do with it...

Any idea on how to protect againstVoip Hopper to discover VLAN ID info on thevoip phone?

HiCan anybody help me I'm trying to configure a standalone 7940 SIP :-I have put in all the credentials supplied by entanet when I dial out I get a "We are unable to connect this call please contact customer services" message from enta.The phone is c...

hello,I'm testing in lab cube config for sip options ping. I have 2 callmanagers, 1 cube and 1 IMS(SP sip trunking) device.in cube I'm using c2851nm-ipvoice_ivs-mz.124-24.T2.bin.I can use the command voice-class sip option-ping 60 on dial-peer but wi...

Hi,I have installed a Call Manager 7.0 and activated the intercom feature, but my client needs this feature to be able to work for a group of phones, instead of just a single phone.For example, if a user wants to spread a company wide message via int...

Hi,I need to see the files "SEP*.cnf.xml" on callmanager 7.x, but I don't know there locatio path!!!1) I logged in via GUI and SSH and executed the command "files list tftp ." but in either case the ip phone files weren't there.2) In the callmanager ...

I have a 28xx IOS router with 8 fxo's and 2 x 16 channel pvdm2's.  I want to use dsp resources for hardware MTP but when I try to configure it I only have 0 as an allowed entry.(config-dspfarm-profile)#maximum sessions hardware ?  <0-0>  Number of se...

I have a CUCM 7.1.3 integrated with a Alcatel OXO PBX and when a try to place a call from cisco IP-Phones registered on CUCM to phones on PBX, I have no ringback,but  when a place a call from cisco IP-Phones registered on CUCM to PSTN using PBX as it...

Hello Guys,                 I wanted to know why are Efxs ports created in a Cisco Cme, i know that they get created when we create DN's which look like 50/0/x. Just wanted to know why & for what reason are these virtual fxs ports created.Any help wo...

Hello,My configuration : Cisco 2811 with VIC2-2E/M cardsI replace a VIC2-2E/M card with a VIC3-2E/M card. This new card doesn't run (led yellow) My IOS version is c2800nm-spservicesk9-mz.124-15.t9.binFrançois