"Some organizations consider taking the plunge off of big iron
PBX platforms into IP telephony as being pretty daring, but that's
nothing compared to what Sam Houston State University (SHSU) is
doing. The south Texas school is boldly moving thousands of users
off a Cisco VoIP platform to an open-source VoIP network based on
"SHSU is in the process of moving its 6,000 students, faculty
and staff off of Cisco CallManager IP PBXs and a legacy Nortel
Meridian PBX over to Linux servers running Asterisk, which includes
call processing, voicemail and PSTN gateway functionality..."
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