TO-TECH
Technology Website covering Windows CE, Telephony, Computer Telephony, Internet Telephony, and LEGO Mindstorms
http://www.to-tech.com/

Adtech Solutions
Provider of integrated support solutions, and call center telephony. Offering telephony installation for computer supported telephony applications.
http://www.adtech.net/

Pulse Software
Computer telephony-related products and consulting services, including Interactive Voice Response (IVR), Computer Telephony Integration (CTI), prepaid calling card platforms, audiotext, auto-dialers/predictive dialers and IP telephony products.
http://www.pulsevoice.com

Calltrol
Telephony: Specializing in internet telephony, computer telephony, autodialers, predictive dialer, ivr, ip telephony, cti, sales lead, dialers, dialer, outbound telemarketing, lead generation, and phone dialer
http://www.calltrol.com

ComISDN
Advanced TAPI Service Provider (TSP) for COmputer Telephony Integration and IP Telephony.
http://www.comisdn.com

CompInfo
Telephony, Computer Telephony Integration (CTI), Fax - Information Sources and Suppliers
http://www.compinfo.co.uk/tptel.htm

TelecomsTrader
Buy, Sell or Discuss IVR, VoIP, ASR, SMS, IP Telephony, PRS and Telemedia Technologies.
http://www.telecomstrader.com/

RFC 2833
RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals. H. Schulzrinne, S. Petrack. May 2000.
http://tools.ietf.org/html/rfc2833

VADcom
ShoreTel is the innovation leader in IP telephony. Our technology brings the full promise of VoIP to the enterprise, setting new standards for usability and manageability while reducing costs.
http://www.vadcom.com/

American Telephony Consultants
Get great information on internet calling and webphones.
http://www.american-telephony-consultants.com