SIP in higher education

[Michael Van Norman <>]

I would prefer the joint techs meetings.

/Mike


On 2/2/05 6:33 PM, "Dave Packham" 
<>
 wrote:

> Just a question?  Why do all the SIP.edu meeting have to hang off the
> Members meetings?  Would it be easier or better crowd for anyone
> involved to hang off the Joint Techs meeting?  Or am I missing something
> 
> Dave Packham 
> 
> -----Original Message-----
> From: 
> 
>  
> [mailto:]
>  On Behalf Of Dennis Baron
> Sent: Wednesday, February 02, 2005 12:35 PM
> To: 
> 
> Subject: Re: [sip.edu] Weekly SIP.edu Call Tomorrow
> 
> 
> Call tomorrow, Thursday, 2/3/05 2:00-3:00 EST (UTC-5)
> 
> Agenda
> 
> - Minutes from last meeting - see below - any corrections?
> 
> - Deployment updates, issues, questions - all
> 
>   Maybe updates from Harvard and Indiana?  Others?
> 
> - SIP.edu Peering - By the Numbers - Dennis
> 
>   We didn't have time for this last week - so we'll try again...
> 
>   I'd like to revisit the topic we discussed in the fall -
>   specifically the idea of peering with "open" SIP service providers.
>   What are the possible service models?  Who would operate a central
>   service?  Are there funding opportunities?  A copy of my slides from
>   the last discussion are here:
> 
>          http://mit.edu/sip/sip.edu/presentations/np110.pdf
> 
> - Planning for SIP.edu Workshop at the Internet2 Spring Member Meeting
> 
>   Just an update from last week's call
> 
> - As always, let me know if you have any other items for this or
>   future agendas!
> 
>                      Dennis
> 
> Thursday 2:00 PM US/Eastern (UTC-5)
> To join the call, do one of the following:
>   a. Dial +1-734-615-7474, or
>           +1-800-392-6130, or
>           +1-866-411-0013 and enter access code 0153458, or
>   b. Call 
> sip:,
>  or
>   c. To have the system call you, click here:
>           https://edial.internet2.edu/call/0153458
> 
> --------
> 
> SIP.edu Conference Call January 20, 2005
> 
> *Attendees*
> 
> Dennis Baron, MIT
> Gabriel Somlo, Colorado
> Mike Van Norman, UCLA
> Garrett Yoshimi, Hawaii
> Ben Teitelbaum, Internet2
> Tim Bastian, Penn State
> Paul Heider, NOAA
> Doug Walston, Cisco
> Candace Holman, Harvard
> Chris Celiberti, Pulver
> Jeff Kuure, Internet2
> 
> 
> *Discussion*
> 
> Today's call featured Mike Van Norman from UCLA discussing the
> university's recent SIP explorations. The campus has had some VOIP
> interest in the past, and implemented SIP approximately two months ago
> using Cisco's AS 5300 as the gateway and iptel.org's SER as the SIP
> proxy. It is still considered an experimental deployment and has not
> been announced publicly - there is currently no expectation of
> reliability or service availability, and some political issues still
> need to be dealt with. SIP is being treated as a production service in
> terms of deployment, but it must be more stable before it is announced
> publicly.
> 
> Other campuses in the University of California system are interested in
> SIP as well, particularly in terms of call routing via SIP between
> campuses. SIP phone peering, however, is not being considered due to the
> cost in terms of money and resources in relation to the limited
> benefits. Having a generic gateway for use by anyone is considered to be
> a better option.
> 
> User agent registration has not been discussed yet, but the system can
> currently authenticate users. The main issue is finding software to
> encrypt credentials. MIT uses MD5 currently, but TLS is being
> investigated. UCLA currently uses UNIX crypt passwords and has not yet
> gone to MD5.
> 
> When the service is officially announced, it will be framed as a way to
> be reached by your email address from off campus, and will be initially
> offered as more of a "plaything" than anything else. In the future,
> integration with IM will be investigated.
> 
> Following this, Dennis discussed the recent survey of email list
> participants which was conducted regarding the upcoming workshop.
> Results were split between coinciding with the VON conference or the
> Internet2 Member Meeting.  Most respondents expressed a desire for more
> technology-based and hands-on type information, which can't be done at
> VON. This will be done at the I2 Member Meeting in Washington, DC
> instead. A meeting of some sort will still be done at VON, either a
> published gathering or something less formal.
> 
> Following this, Dennis discusses a recent Cisco GSM codec problem. The
> Cisco gateway accepts a SIP call the PSTN using GSM, but then fails
> because the gateway doesn't actually support the GSM specified codec.
> The workaround adds an inbound dial-peer to the outbound to reference a
> codec list that doesn't include GSM.
> 
> The call ends with Candace asking about configuration questions about
> testing Avaya CCS 2.1 with a Cisco 7960 phone. Currently server errors
> occur when sending registration information. Follow up discussion will
> occur on the email list.
> 
> The next call will be on Thursday, January 27th.
> 
>