telecommunication

Supports SIP protocols: SIP registration and digest authenticationSmart VoIP call dialing book: VoIP call book provides any application VoIP call to any type destination (Domain ...

Place Of origin:

One PSTN and one FXS port, can make or receive VoIP, PSTN callSupported protocols: SIP (RFC2543, RFC3261), TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP(Server/Cli...

Place Of origin:

Video features: ul Chipset: TI DAVINCILCD: 7-inch large TFT color screen, 480x234 pixelsCamera: adjustable 300K pixels CMOS sensorVideo codecs: H.264 , H.263 and MPEG...

Place Of origin:

Telephone:Voice codec: ul G.711(A-law/渭-law), G.729 AB, G.723 (6.3/5.3kbps), G.276 (16, 24, 32, and 40kbps), GSM-FR /ul Call waitingCall hold/resumeCall tran...

Place Of origin:

With high quality camera, you can talk face to face with people all over the worldStart or stop video by phone keypadsCommercial grade high quality speakerphone, ideal for co...

Place Of origin:

SIP based analog telephone adapter with 2-SIP accounts, 2-FXS ports, 1-WAN port, 1-LAN port, and 1-FXO (PSTN pass-through) portAuto configurationCall progress tones and rings...

Place Of origin:

Screen size: 7-inch TFT LCD monitorPower adaptor: 185 to 230V ACInput voltage: 15V, 800mARechargeable battery power adaptor: 12V, 1,300mAhBuilt-in battery in control ...

Place Of origin:

2 FXS ports, can connect with 2 telephonesSupported protocols: SIP (RFC2543, RFC3261), TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP(Server/Client), NTP/SNTP, TFTP...

Place Of origin:

Auto configurationCall progress tones and ringsCLIPDHCP clientFAX over IPFlexible incoming call routingLeast cost routingMAC cloningNAT and STUNPe...

Place Of origin:

VOB810 (PSTN/2FXS): VoIP/SIP analog phone adapterVOB810-2FXS: VoIP/SIP 2-port gateway1 LAN port1 WAN port2 FXS portsFeatures: ul Network protocol: ul SIP...

Place Of origin:

5.6-inch TFT color displayTransmission speed: 15 frame/secondWith private mode featureSupport connecting the TVTelephone function: SP-phone, redial, hold, flash, IP, ...

Place Of origin:

SHENSUN S-TC-9A, used in the VOIP terminal (Mobile)It can be pre-set by producer or operator in advance, no need to change user鈥檚 dial habit When dialing long distance tel. or th...

Place Of origin:

Standards: ul Communication protocols: ITU, T H, 323V4, IETF and SIP2.0Video formats: H.263 and H.264Audio formats: G.711a/u-law, G.723.1, G.729A and G.722Network tra...

Place Of origin:

One FXO and one FXS port, can make or receive VoIP, PSTN, VoIP-to-PSTN, PSTN-to-VoIP callsSupported protocols: SIP (RFC2543, RFC3261), TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP...

Place Of origin:

Technical specification:WAN interface 10/100M Base-TX (RJ-45) Ethernet port...

Place Of origin:

Features: ul Supports one voice portSIP v1 (RFC2543), v2(RFC3261)IP, TCP, UDP, RTP, RTCP, ICMP, ARP, RARP, and SNTPDTMF in-band and out-band (RFC 2833) (SIP INFO)...

Place Of origin:

Key features: ul Supports SIPV2 - new industry standardExcellent voice quality (supports G.711A, G.711u, G726, G729A and G729B )Adaptive jitter buffer and echo cancellati...

Place Of origin:

Supports SIP 2.0 (RFC 3261), PPPoE, STUN, DHCP (both client and server)One FXO, one FXS, one WAN and one LAN portSupport various voice codes including G.711U, G.711A, G.729A,...

Place Of origin:

Call features:Adjustable volume: - 9 to 9dBVoice activity detectionDynamic jitter bufferComfort noise generationLost packet concealmentCaller ID detection...

Place Of origin:

PC-to-PC, PC-to-phone and Phone-to-Phone operationOne USB interface to PC, one FXS for regular phone and one FXO for PSTIN call relaysSupports DECT, 2.4G, 900M and any other ...

Place Of origin: