- MizuPhone 1.4.4
screenshot | size: 16.17 MB | price: $50 | date: 5/28/2008
Professional SIP SoftPhone - Adore Softphone 2.0
screenshot | size: 390 KB | price: $0 | date: 4/5/2005
sip softphone from AdoreInfotech - AdoreSoftphone 3.0
screenshot | size: 390 KB | price: $0 | date: 8/10/2005
sip softphone from Adore Softphone - Express Talk VoIP Softphone 2.06
screenshot | size: 404 KB | price: $0 | date: 9/15/2005
Internet phone to make calls using your PC - VaxVoIP SIP activeX SDK 1.0
screenshot | size: 1.89 MB | price: $1500 | date: 1/30/2006
SIP activeX to add make/receive phone calls feature in your apps and web pages. - Smart SIP Phone 1.1.0.0
screenshot | size: 2.14 MB | price: $0 | date: 2/13/2007
Smart Dialer is a IP softphone dialer developed with industry standard protocol SIP that can handle outbound phone calls from any PC. It has industry standard G.723.1 codec support. - OfficeSIP Messenger 1.7
screenshot | size: 4.05 MB | price: $0 | date: 4/13/2009
Free enterprise communicator supporting instant messaging, chats, VoIP and video - EVCSoft 1.07-27
screenshot | size: 2.14 MB | price: $0 | date: 11/23/2008
Download EVCSoft now and get free calls. - VGSC 2009
screenshot | size: 3.2 MB | price: $0 | date: 7/17/2008
Encrypt VoIP any existing device and softphone to bypass VoIP blockage - 3CX FREE VOIP Phone for Windows 6.0
screenshot | size: 3.32 MB | price: $0 | date: 7/30/2008
Free VOIP Phone. Use your PC as a phone. Works with any SIP/ VOIP provider. - Xtenn softphone 1.01
screenshot | size: 187 KB | price: $0 | date: 10/1/2006
Xtenn softphone based on sip protocol can make call Pc to phone, pc to landline to international numbers at very cheap cost - SuperVoice VoIP 1.0
screenshot | size: 40.27 MB | price: $29 | date: 2/5/2008
Low Cost ... High Quality Phone Calls - NX 1.0
screenshot | size: 2 KB | price: $15 | date: 8/25/2009
NX is a softphone | CRM INTEGRATOR - Uplink Skype to Sip Adapter 1.21
screenshot | size: 231 KB | price: $27.5 | date: 5/21/2006
Connects SIP protocol VoIP calls to the Skype network and visa versa. - Fax Voip 4.2.1
screenshot | size: 14.77 MB | price: $90 | date: 1/19/2009
Fax Voip - T38 Fax & Voice modem for SIP. - VaxTele SIP Server SDK 2.0
screenshot | size: 12.28 MB | price: $550 | date: 8/13/2009
Develop SIP based VoIP Server for IP-Telephony and Call-Centers. - SoftGlobalPhone 1.0
screenshot | size: 1.36 MB | price: $0 | date: 1/31/2005
Softphone and an interface to the One4000 callback system for ordinary calls. - One4000IP 2.4.0
screenshot | size: 4.92 MB | price: $0 | date: 1/2/2006
VoIP with regular telephony capabilites. - VoIP SIP SDK 2.1
screenshot | size: 8.46 MB | price: $999 | date: 11/1/2008
Highly customizable VoIP SDK to accelerate development of SIP applications - VGSP 2008
screenshot | size: 3.2 MB | price: $0 | date: 7/29/2008
SIP Softphone/Dialer Customization, Circumvent VoIP blocking - Doddle 1.2
screenshot | size: 566 KB | price: $0 | date: 5/22/2009
Doddle is a free online SIP WebPhone - OfficeSIP Alerter 1.0
screenshot | size: 661 KB | price: $0 | date: 2/12/2008
The simple, easy-to-use and free instant sip messenger. - Doddle WebPhone 1.2
screenshot | size: 564 KB | price: $0 | date: 7/9/2009
Doddle is a free online SIP webphone for your webpage - 3CX Phone System for Windows Free 7.1
screenshot | size: 40.47 MB | price: $0 | date: 8/31/2006
FREE VoIP PBX: 3CX Phone system for Windows. No timeouts or limitations - Fax Boom 3.5.1
screenshot | size: 12.21 MB | price: $75 | date: 2/28/2009
Fax Boom: faxing over Betamax SIP network.
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