We provide Windows-based easy,stalbe, high-performance SIP-PBX and SIP Proxy Server for ISPs and small-to-medium enterprises, with versions from 20 users to 2000 users, which have been running perfectly all over the world.

If you are enterprises seeking for SIP-PBX to connect all of your branches with VOIP networks , the SIPSP-PBX is just your ideal choice!

If you are VOIP ISPs who want to develop enterprise customers, you can setup a SIPSP-Proxy as your own SIP server , and then deploy SIPSP-PBX for each enterprise. With all the SIPSP-PBX registering to SIPSP-Proxy, ISP can provide terminations for all enterprises.

Please visit our website to have more detailed information, www.xycomm.com.

Also you may download the 30-day evaluation versions of SIP Proxy and SIP PBX for free trail!

If you have any problems in evaluation, please do contact us : Contact@xycomm.com, thanks!