SIP tag

Drill down on SIP search:

6 result(s) displayed for SIP (1 - 6 of 6):

Dealing with RTP loss

In the last post, you read about SIP call recovery from RTP loss. This post continues the theme, providing some more useful information - detecting and dealing with RTP loss between two SIP end points. Full Story

Posted on September 14, 2011 10:11 AM

SIP call recovery in gateways

What happens when you lose an already established SIP call between a gateway and an end point on a VoIP (voice over Internet protocol) network? Can it be recovered? It depends on what you mean by 'lose' and 'recover'. Full Story

Posted on September 2, 2011 11:08 AM

Why gateways are 'how to' answer to life, the universe ...and Your problems

In the realm of digital communications, you could say that gateways are a necessary evil. [By the way; that’s a gateway as distinct from a router, Proxy server, or some form of gatekeeper or firewall function at an entry/exit point... Full Story

Posted on May 18, 2011 6:32 AM

Failover or failsafe?

I recently had a conversation about the need for PSTN failover. The basic proposition being that VoIP, IP telephony, SIP, Skype, etc. are OK, but if you have an IP network - be it broadband/DSL or SIP trunking, or an... Full Story

Posted on June 18, 2010 10:06 AM

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Achieving 'five-9s' reliability in IP-based communications networks

Is the lack of widespread support for full 'five-9's' reliability in IP-based networks holding back the adoption of IP communications? It is certainly something we thought might be the case, and so we set our engineers the task of providing redundancy mechanisms for IP communications , based on Aculab's SIP stack, that would enable end customers to build in the reliability they were craving. Full Story

Posted on May 7, 2010 11:00 AM

Serving the needs of critical communications systems

Recent emergency situations, such as the earthquakes in Haiti and this week in China bring it home to us that when disasters like these occur, the emergency services and the general public who are directly affected rely heavily upon communication... Full Story

Posted on April 15, 2010 12:22 PM

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