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Can DTMF be used in a CAS environment?

There are variants to VOIP trunks...SIP being one of them, H.323, etc. A voip trunk is a session between two termination points. I for one specialize in SIP trunks between our softswitch and Call Manager, in this way you don't need to purchase a costly PRI and it's associated equipment for...

Hi Mike, I don't think your IP phones will work with they way you are describing your network. The RJ-11 jacks are for your standard analog phones and your IP phones talk digital such as SIP, SCCP or MGCP. We are talking about 2 different animals here. I am assuming you have linksys IP...

Thanks! I know what CAS is, it's just the MF part I'm baffled on. I know this has something to do with old legacy pbx's. How does it differ from DTMF?

If I understand your thread correctly, Comcast provided you with their VOIP service for your home. You have an IAD type device they provided to you. The RJ45 is your data cable for your PC or router. If you want IP phones such as a Cisco IP phone or similar, you will need to install Call...

Hi All, I went through an intensive interview this past Thursday on SIP and PBX to IAD integration. One of the questions that I failed on was: You are trying to interface a Cisco 2821 with NM-HDV2 to a PBX via T1. There is a red alarm on both ends. You test both ends with a loopback and it...