HLRnet.com: Internet: Telefonie, fax, GSM

Internet: telefoon, fax, GSM

3CX: VOIP
Acarda: call center software, auto dialer
CallWave: free internet answering machine
damaka
Freecall.com
GetWapped.nl
eFax.com: faxen gratis laten toekomen op je mailadres (US)
Google Voice
Globe7
Jajah
Microsoft: Unified Communications
ooVoo: video chat and video conferencing
Peterzahlt (DE)
PhonerLite
Pulver.Communicator
Raketu
Skype

Skype Call Recorder

Recursos VoIp: voz sobre IP: telefonía IP, NetMeeting (ES)
TeamSpeak: cross-platform voice communication
TeamTalk: freeware voice conferencing application
VDK: Voip Development Kit
VoipStunt
Voipwise
Voxox: phone calls, video conferencing, instant messaging, social networking
Vonage
Vyew: meet and share content in real-time
Yahoo Voice: internet phone calls
Yate: yet another telephony engine (open source server)
ZoiPPE
Free telephony software (hlrnet)
Antwoordapparaten

Pamela for Skype

Faxen

Activmail
eFax: receive faxes
How can I fax from the internet (Kevin Savetz)
MyFax (free available)
SnappySoftware
V3Fax

GSM Providers in België

SMS versturen

811: free web to cell SMS/MMS (US)
Contactoffice
GSMspain (ES)
Quios
SMSCountry
Starmsg.com
TVBSMS (IT)
WaarZO: sms, gsm, beltonen, ...
WorldXS

Andere software

CallClerk Caller ID Software
EasyVoipRecorder
PicoSMS is a complete SMS and MMS messaging application for any Java (J2ME, MIDP 2.0) or Symbian cellphone