| Sip Softphone 2.4.6 | |
| rfc 3261 compliant stack DNS support Small application size Not using any .NET and Java Runtime Library Free G.729 codec implementations available |  Download now |
| Size: 2.00MB License: Shareware Price: $15 By: Vidosystem |
| Adore Softphone 3.0 | |
| rfc 3261 compliant stack | Download now |
| Size: 2.50MB License: Freeware Price: Free By: AdoreInfotech Pvt Ltd |
| Minipax 2.8.5 | |
| rfc 3261 compliant stack # DNS support # Smaller application size (approx. only 1 MB) # Not using any .NET and Java Runtime Library | Download now |
| Size: 1.09MB License: Freeware Price: Free By: Vidosystem |
| xtenn sip softphone 1.1 | |
| rfc 3261 compliant stack | Download now |
| Size: 187KB License: Freeware Price: Free By: Xtenn Networks |
| Axon Virtual PBx System 2.21 | |
| * Uses the open SIP standard for signalling (rfc 3261) to work with a broad range of SIP compatible phones and other devices. * Works with IP phones that plug... | Download now |
| Size: 1.26MB License: Shareware Price: $129.00 By: NCH Software |
| Adoresoftphone Premium 1.0 | |
| Speex / 32000 Codec selection and Codec Quality Control (Bandwidth control) Silence Suppression Echo Cancellation Uses NEW rfc 3261 compliant stack ... | Download now |
| Size: 3.73MB License: Freeware Price: Free By: Adore Infotech Pvt. Ltd. |
| Uplink Skype to Sip Adapter 1.3 | |
| * Fully complies with the rfc3261 for SIP signalling. * Quick and easy operation. About NCH Software NCH Software is a leader in audio, video, music, m... | Download now |
| Size: 231KB License: Shareware Price: $39.99 By: NCH Software |
| TekIVR 2.0 | |
| TekIVR complies with rfc 3261. It supports ITU G.711 A-Mu law codecs. You can select IP address to be listened, default SIP proxy for outgouing calls. You can a... | Download now |
| Size: 2.48MB License: Freeware Price: Free By: Yasin KAPLAN |
| Axon 2.20 | |
| * Uses the open SIP standard for signalling (rfc 3261) so it works with the broad range of SIP compatible phones and other devices. * Works with IP phones whi... | Download now |
| Size: 1.26MB License: Freeware Price: Free By: NCH Software |
TekSIP 3.2  | |
| Supports features described in rfc 3261 and ENUM (e164.arpa domain only, ENUM lookup is performed just for INVITE requests). 2.Logs system messages, errors and... | Download now |
| Size: 2.00MB License: Freeware Price: Free By: Yasin KAPLAN |
| miniSipServer 2.5 | |
| Run on MS-Windows platform, Support GUI configuration and very easy to use; All configurations and data are stored in install directory! Support rfc3261 proto... | Download now |
| Size: 3.18MB License: Shareware Price: $49.00 By: MyVoipApp |
| TekSIP 2.5 | |
| TekSIP complies with rfc 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal, UPnP and ENUM. Please see technical details about NAT trave... | Download now |
| Size: 1.06MB License: Freeware Price: Free By: Yasin KAPLAN |
| Axon Virtual PBX 2.21 | |
| * Uses the open SIP standard for signalling (rfc 3261) to work with a broad range of SIP compatible phones and other devices. * Works with IP phones that plug... | Download now |
| Size: 1.26MB License: Shareware Price: $69.95 By: NCH Software |
| sipcli 2.1 | |
| 2003 Server) which enables making SIP (Based on rfc 3261) based calls. You can use sipcli for: * Test phone numbers. You can use Visual Basic Scripts to run... | Download now |
| Size: 295KB License: Freeware Price: Free By: Yasin KAPLAN |
| Sofia-SIP 1.12.6 | |
| compliant with the IETF rfc3261 specification (see the feature table). It can be used as a building block for SIP client software for uses such as VoIP, IM, and... | Download now |
| Size: 2.53MB License: GPL Price: Free By: sofia-sip |
| SIP Express Router 1.0 | |
| It can act as SIP (rfc 3261) registrar, proxy or redirect server. SER can be configured to serve specialized purposes such as load balancing or SIP front-end to... | Download now |
| Size: 1.76MB License: GPL Price: Free By: iptel.org |
| TekFax 1.1 | |
| TekFax is a SIP (Session Initiation Protocol) fax receiver server (Based on rfc 3261) runs under. Major Features *Simple, easy to use interface. ... | Download now |
| Size: 954KB License: Freeware Price: Free By: Yasin KAPLAN |
| TekSIP Enterprise 2.3 | |
| Features TekSIP TekSIP complies with rfc 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal, UPnP and ENUM. Please see technical detail... | Download now |
| Size: 1.91MB License: Freeware Price: Free By: Yasin KAPLAN |
| TekSIP Route Server 1.0 | |
| TekSIP Route Server is an SIP Redirect Server (Based on rfc 3261) runs under Windows (XP, Vista, Windows 7, 2003-2008 Server) and can be used as a routing serve... | Download now |
| Size: 1.36MB License: Shareware Price: $340.00 By: Yasin KAPLAN |