Setup SIP sever yourself OR rent? CTS give you advice
Install and configure basic call in and out, sip trunk, recording, etc. and system maintenance
Cooperate with North America and Europe telecom service provider (ITSP), CTS provider low international call rate with VOIP
Provider 40 country 500 city SIP DID number in world
Need other SIP related requirement? Call us now and get advice from CTS
Focus helping customer using VOIP phone system in china
CTS China VOIP Consulting
China Shanghai Local, China Beijing Local, Support China Mainland
Room 215 Building 4,Focus Innovation Park ,No. 3599 Yuanjiang Road, Minhang District, Shanghai
Shanghai, China , 200000
Telephone: +86 2134711797
Fax: +86 2134711797
China Unified / Consulting / Technical / Service
