The SIP School

The SIP Blog is just that; with opinion and analysis on all things SIP in the world of VoIP

About Me (Full Bio)

Graham Francis, CEO, Founder of Vocale Ltd and The SIP School.22 Years in IT and fully backing SIP as the protocol to 'bring it all together'.

Two Paths to Service Class Packet Optical

IP Telephony from A-Z

IDC report: Profitability and OSS Support: A Return on Investment...

9 Nov
2009

@ 03:49 Graham Francis tweeted, "A buddy of mine has some Google Wave invites left, if interested - let me know and I'll forward to him"
@ 02:49 Graham Francis tweeted, "@charlesnw Makes you think about it, though they've done the deal now so they can take their time - panic over :)"

4 Nov
2009

@ 12:45 Graham Francis tweeted, "+sip Great standard support from snom - nice one! TR-069 http://ow.ly/xfAP"

3 Nov
2009

@ 11:45 Graham Francis tweeted, "+sip .. Report stating the obvious... Of course SIP trunking deployments are going to rise... http://ow.ly/xfAi"

2 Nov
2009

@ 12:10 Graham Francis tweeted, "+sip Great news for HD voice, Voxbone and Skype... http://ow.ly/xfzi"

30 Oct
2009

@ 12:30 Graham Francis tweeted, "Get your 'globally' recognised SIP certification ~ SSCA® at The SIP School... http://ow.ly/xfyP"
@ 04:43 Graham Francis tweeted, "Birth of the Internet - 1st message = lo http://www.cnn.com/2009/TECH/10/29/kleinrock.internet/index.html"

29 Oct
2009

@ 13:15 Graham Francis tweeted, "COULD SKYPE REALLY USE P2PSIP? http://ow.ly/wLZb Nice post Dan."

28 Oct
2009

@ 14:00 Graham Francis tweeted, "+sip Great list to keep an eye on new SIP RFCs http://ow.ly/w5Qy"

27 Oct
2009

@ 13:30 Graham Francis tweeted, "+sip Why Skype Is Good News for Service Providers (Part 1) http://ow.ly/w5Q1 - Nice article Jon"
@ 13:23 Graham Francis tweeted, "The Sip School is a sponsor for http://www.cpd.iit.edu/voipconference09/ and recommending participation."
@ 02:50 Graham Francis tweeted, "RT @SIPCenter: SIP Center Sponsor News: The SIP School - The SIP School Announces Collaboration with DIDX - http://twurl.nl/0y71ab"

26 Oct
2009

@ 12:32 Graham Francis tweeted, "+sip .. Great SIP client for iPhone, you can see SIP messages when making calls etc. WeePhone http://ow.ly/w5Px"

23 Oct
2009

@ 12:03 Graham Francis tweeted, "+sip Bluebox is back....!!!!! http://ow.ly/w5NR"

21 Oct
2009

@ 08:27 Graham Francis tweeted, "#SIP and #VoIP training as well as 'Great eyes'.....!!!!!! http://screenr.com/sXN"

20 Oct
2009

@ 03:25 Graham Francis tweeted, "RT @MrAt_: RT @domingodolores: You know the difference between SIP and VOIP? http://bit.ly/28kM99 // Light..."

19 Oct
2009

@ 10:03 Graham Francis tweeted, "@speedyq8 snom, grandstream and Bria Eyebeam for a softphone option"
@ 00:05 Graham Francis tweeted, "Check it out, DIDX and the SIP School http://ow.ly/uJd8"

18 Oct
2009

@ 12:05 Graham Francis tweeted, "+sip Anyone out there used these guys? http://vopium.com/about-vopium"

17 Oct
2009

@ 07:35 Graham Francis tweeted, "RT @mjgraves: @MrSIP I did a long term eval on Jazinga last year. http://bit.ly/4eIu1O - Great read, thanks for the info :)"

16 Oct
2009

@ 11:35 Graham Francis tweeted, "+sip GREAT VoIP / SIP system from Sipgate http://ow.ly/tU9s Get your team onboard now :)"

15 Oct
2009

@ 12:14 Graham Francis tweeted, "is Microsoft UC ready? http://bit.ly/IRNLm"
@ 10:55 Graham Francis tweeted, "+sip Check out Jazinga http://ow.ly/tU9P great, especially cool with snom phones"

14 Oct
2009

@ 13:05 Graham Francis tweeted, "+sip Of course SIP trunking is a saviour :-) http://ow.ly/tUal"

13 Oct
2009

@ 12:15 Graham Francis tweeted, "+sip Check out SIPsourcery - pretty good way to link all your SIP accounts http://ow.ly/tU9a"

12 Oct
2009

@ 11:34 Graham Francis tweeted, "#SIP Do you think that a certification in SIP is worth obtaining? http://ow.ly/tUX8"
@ 11:01 Graham Francis tweeted, "SIP, a Reality Check http://ow.ly/t6oW"
@ 08:18 Graham Francis tweeted, "Playing with http://twtpoll.com and making a hash of it :("
@ 06:07 Graham Francis tweeted, "+sip Had a great time at IP09, SIP session went well and love to hear from people who attended"

Today

Graham Francis tweeted, "A buddy of mine has some Google Wave invites left, if interested - let me know and I'll forward to him" 2009-11-09T08:49:04Z 2009-11-09T08:49:04Z
Graham Francis tweeted, "@charlesnw Makes you think about it, though they've done the deal now so they can take their time - panic over :)" 2009-11-09T07:49:46Z 2009-11-09T07:49:46Z

Wednesday

Graham Francis tweeted, "+sip Great standard support from snom - nice one! TR-069 http://ow.ly/xfAP" 2009-11-04T17:45:07Z 2009-11-04T17:45:07Z

Tuesday

Graham Francis tweeted, "+sip .. Report stating the obvious... Of course SIP trunking deployments are going to rise... http://ow.ly/xfAi" 2009-11-03T16:45:08Z 2009-11-03T16:45:08Z

Today

Graham Francis tweeted, "+sip Great news for HD voice, Voxbone and Skype... http://ow.ly/xfzi" 2009-11-02T17:10:10Z 2009-11-02T17:10:10Z

Friday

Graham Francis tweeted, "Get your 'globally' recognised SIP certification ~ SSCA® at The SIP School... http://ow.ly/xfyP" 2009-10-30T16:30:35Z 2009-10-30T16:30:35Z
Graham Francis tweeted, "Birth of the Internet - 1st message = lo http://www.cnn.com/2009/TECH/10/29/kleinrock.internet/index.html" 2009-10-30T08:43:27Z 2009-10-30T08:43:27Z

Thursday

Graham Francis tweeted, "COULD SKYPE REALLY USE P2PSIP? http://ow.ly/wLZb Nice post Dan." 2009-10-29T17:15:38Z 2009-10-29T17:15:38Z