VoIP tag
11 result(s) displayed for VoIP (1 - 11 of 11):
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
Communications technology predictions for 2011
The end of the year is always a traditional time for looking back on the previous 12 months - and looking forward to try to prepare for what's to come. Rather than just put down my ideas, I captured some of the thoughts from Aculab's global team to see what they thought would be the technical trends to look out for. So, without further ado, here are Aculab's top three predictions for communications technology in 2011 Full Story
Posted on December 21, 2010 11:38 AM
Cloud is the new hosted in the adverse diverse universe
If there was always one, single, universal answer, we’d not have Pepsi, Coca-Cola and IRN-BRU; there would not be around 20 diverse, major religions or belief systems in the world; Android, iOS 4, Symbian OS and Windows Phone 7 would... Full Story
Posted on December 10, 2010 9:12 AM
We're doomed!
“We’re doomed!” said Pte. Fraser in the cult BBC comedy, Dad's Army.Well, that might be true if you’re concerned about global warming, the exhaustion of finite, carbon resources, the disappearance of tinority* languages like Busuu, the fact that the sun... Full Story
Posted on December 3, 2010 8:24 AM
Don't turn a deaf ear to Orange!
This week saw the UK get national coverage of the next evolution in telephony, HD Voice, from Orange. Technically, it has been a long time coming - the first wideband codec to be standardised by the telecommunications industry (ITU-T) was... Full Story
Posted on September 2, 2010 7:29 AM
A crowd of daffodils and hosted clouds
You might recall the poem by William Wordsworth that begins, "I wandered lonely as a cloud." His poem may have been about 'a host of golden daffodils', but the second verse is more appropriate if we pretend that it's... Full Story
Posted on August 27, 2010 11:30 AM
Heading in both directions at once
Or, an alternative definition of the 'pushmi-pullyu' I guess many of you will remember Doctor Dolittle, probably from the Rex Harrision film version, perhaps from the books of Hugh Lofting, maybe from the Eddie Murphy remake, surely not from Lotte... Full Story
Posted on August 18, 2010 6:04 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
Which wideband codec to choose?
In this second part in my series of articles on HD Voice, I discuss the wideband codecs currently available and deployed, and suggest which might be the best choices for a wideband voice platform. Full Story
Posted on April 1, 2010 6:31 AM
HD Voice - how much bandwidth do you need?
In this article, the first of a series covering HD Voice, we discuss the issue of audio bandwidth for VoIP systems, and in particular, how much audio bandwidth do you actually need for voice? Full Story
Posted on March 30, 2010 9:29 AM
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