Tips for Troubleshooting and Identifying some of the most common problems with SIP Signaling Delivery: Fragmentation, Retransmission, Symmetrical Signaling, SIP ALGs, and Busy Lamp Field (BLF).
Learn how SIP registration with authentication is performed in the presence of a Session Border Controller. Join ECG for live training to strengthen your SIP knowledge and earn a certificate from ECG.
Thinking of your deployment as "small" can lead to all kinds of unwise security decisions. The idea that you can manually configure things to perfection often leads to production deployments that are unsecured, unmanageable, and subject to cyber attack.
Seven basic facts about the laws, the logic, and the technical implementation of STIR/SHAKEN to fight robocalling.
To provide reliable SIP failover -- do it slowly.
Careful testing is crucial for stability before launching new SIP Access Device models The Product Definition must be baked into the Test Plan used to approve the device, & new software for it Customer Technical Support teams need extensive early access to devices before they are deployed Space Probes are designed to be sent far away, beyond our reach. They run software, and send back d...
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 calls within a country would cost a retail user more than local calls seems...