Position	Website	Change	Thumbnail
1	kamailio.org - Kamailio SIP Server Open Source SIP Server - Kamailio (former OpenSER)	0
2	opensips.org - openSIPS | Main / HomePage	1
3	en.wikipedia.org - Wikipedia, the free encyclopedia	-1
4	asterisk.org - Asterisk- The Open Source Telephony Projects | Asterisk Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and...	1
5	voip-info.org - voip-info.org - voip-info.org	-1
6	officesip.com - Office SIP Server is free IM and VoIP server for Windows Office SIP Server is free VoIP and Instant Messaging Software	9
7	3cx.com - 3CX Phone System - software based VoIP IP PBX / PABX for Windows 3CX VOIP PBX - provides an easy to use, plug and play SIP - IP PABX for Windows. With a software based IP PBX you will save on PBX maintenance and hal...	0
8	resiprocate.org - Main Page - reSIProcate	-1
9	iptel.org - Welcome to iptel.org, the IP Telecommunications Portal | iptel.org Internet Telephony	1
10	linphone.org - Linphone, open-source voip software | Linphone, an open-source video sip phone Linphone, Free SIP VOIP client, open-source voip software for Linux, windows, mac, iphone, android. Free sip voip sdk.	11
11	elastix.org - Elastix :: Open Source Unified Communications Server Elastix, the Open Source Unified Communications Server.	-2
12	freeswitch.org - FreeSWITCH | Communication Consolidation	0
13	hindawi.com - Hindawi Publishing Corporation Hindawi is a rapidly growing academic publisher with more than 200 Open Access journals covering a wide range of academic disciplines.	0
14	hubpages.com - HubPages HubPages is your online space to share your advice, reviews, useful tips, opinions and insights with hundreds of other authors. HubPages is completel...	0
15	sipcapture.org - Homer Sipcapture| Home HOMER is a robust, carrier-grade, scalable SIP Capture system and Monitoring Application with HEP/HEP2, IP Proto4 (IPIP) encapsulation & port ...	-1

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