Telesail Technology Co.,Ltd China

mature VoIP equipments manufacturer in China

Since its founding in 2005, Telesail Technology has established its reputation as a top equipment provider of innovative last-mile access and aggregation solutions in the telecommunications market. Telesail offer a full line of VoIP products including IP-PBX series, VoIP Access Gateways, Trunking gateways, VoIP Phones and network products. also we provide VoIP systems and solutions for Call cener, Hotel, Office IPPBX, Service providers

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General office

Telesail Technology Co.,Ltd
3F,TAIWEI Tower, No. 31 Jiancai West St. Haidian District
Beijing
Beijing ,100096
China

Phone: +86-10-82912638
Phone: +86-10-82912638
Site: http://www.telesail.com

Contact Person

Linda Ding / sale manager
Phone: 861082912638
Phone: +86-13811008236

Hardware
International VoIP Wholesale Provider
VoIP Billing Software Provider

Call Relay VoIP Solutions
Call Routing VoIP Solutions
E1/T1
Fax To Fax
Gatekeepering
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Hosted PBX
Hosted VoIP
IP devices
PC to Phone
PC to Phone, Phone To PC, Phone To Phone, Project Mangement Services, Termination, Web Call, Web To Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
Sip Trunking
SIP VoIP Gateway
System Integration
Virtual PBX
VoipSwitch
Web Call
Web To Phone

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Session Initiation Protocol (SIP) is a text-based standard put in place by the Internet Engineering Task Force (IETF) and is the primary protocol for Voice over Internet Protocol services. SIP is similar to a MGCP in that it's a signaling protocol that can create, maintain and terminate sessions in IP-based networks. These sessions include multimedia conferencing and two-way phone calls. SIP protocol can run on User Datagram Protocol (UDP), Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP) because it was created to function independently from the underlying Transport Layer as an Application Layer.

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