Voice over IP

HelloI am sending call from a Nextone SBC to an AS5400. The AS5400 is routing the call but not putting any CDN into the ISDN setup message even though the incoming invite has the TO header populated with the numberI compared a good call to a bad and ...

I have two site configured. Site A is connected to the Service providers end (FXOs and NM). Site B has FXS and they are configured as per the attached files. When we call from site B, the calls go through fine but there is no ringing. when the call i...

We are getting Voice Spam on our VoIP systems. We're currently using Cisco Call Manager 3.3 Is there any ways to block incoming calls from an outside source?

What equipment do i need to create a SMB voip network , there are 3 locations , 1 of them with 100 ip phones + 100 PC , 2'nd location with 50 phones and 30 PC, and the last locationa has only 2-3 phones , no PC. Thanks.

We have the following VoIP setup:Site1_PBX---VoIPgw--**network**--VoIPgw--Site2_PBXISDN type: E1 PRIBoth gateways have 03 E1 PRI setup, so total, we have 90 B channels. It seems the router select the B channel randomly. We need to have a logical sequ...

How do you set a 7941 to show Caller ID name as well as the number? It is coming in to the system but not being displayed on the phone.

Hi,I try to develop TCL script that will disconnect call with cause 34 immediatelly when call reaches dial-peer that tcl-script is assigned. To be more detailed: dial-peer that tcl application would be assigned should be outgoing voip dial-peer on Se...

Hi,Question about right Gw i should use to connect to my favorite Telco.I am a big private held company. I want to manage my PSTN Gw myself and centralise them.I need maybe 7 Gw (+backup) with 15 E1 on each.What is the best choice ?- 7 big Gw with 15...

Hi, Has anyone here faced any problem like this?On one hand we run an AS5300 c5300-is-mz.123-6c.bin IOS and on the other hand an Asterisk with reinvite support.How can I get to implement 'reinvite SIP' on CISCO it really necessary to better perfomanc...

HelloWe use à AS5400HPX HW with the following cardslot 1 NP 60 DFCslot 7 E1 8 PRI DFCthe ios is 12.3 basedThe configuration of the gateway is for working in H323 protocol with specific dial-peers for the calls depending on the services.Form point of...

We have 5 remote branches that are configured each with their own PRI and a PIP to the main site via MPLS.Each branch has it's own 800 and local number for that area.I am told that each branch is configured for SRST.I do not understand exactly what i...

Hi,I have a HP DL380 G4 to use as our new Unity 4.2 server.There was a failed upgrade attempt some months ago (4.0 > 4.2) and the media has been lost.I have had no luck sourcing the required CDs from Cisco so am downloading CDs 1,2,3 & 12 from CCO.I ...