When we teach classes on VoIP networks, we discuss the variety of SIP standards that can be used by working systems. For example, identifying the calling party varies between platforms: One system uses P-Asserted-Identity to indicate the caller, and another uses From. Then there’s the codec used for audio: One system uses G.722 and another uses […]
Robocalling, enabled by VoIP, causes real social harm Filtering based on Caller ID brings some temporary relief The telecom industry has real work ahead to protect Caller ID with STIR VoIP Drove down the cost of making phone calls. We love that about VoIP: free long distance! In the telecom industry now, the idea that […]
Committing time to answer questions is the crucial first step
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Most experienced professionals value the opportunity to mentor others; not so for some elite technologists
Quick-and-easy Command-Line Decoder for BroadWorks CDRs.
Background The Polycom SoundPoint IP SIP Phones and Adtran IADs are used for Hosted IP PBX Access Devices, managed by the BroadWorks platform. In a non-geographically-redundancy network, the devices use SIP to register to a single SIP SBC IP address. To support geographic redundancy of SBCs, the devices must support registration to multiple IP addresses. […]