pstn to voip

Brand Name:Global Tech

Model Number:GT-SS3500

Place of Origin:China

PSTN VOIP PBX Server Abundant Voice Service , Asterisk Voip Gateway Trunking Gateway Overview Guangdong Global Telecommunication Technology GT-SS3500 soft switch product can realized various kinds of communication network access such as SIP protocol into IMS/NGN core network or PSTN...

Brand Name:OPTFOCUS

Model Number:OFS-CG4-411

Place of Origin:Guangdong, China (Mainland)

... used in residential, SOHO and mobile office VoIP applications. It provides reliable, low- cost, and flexible means to deploy converged communication solutions for network operators and enterprises. OFS- CG4 ...

Brand Name:Yuantong

Model Number:YT-IPSG20

Place of Origin:China

...Waterproof Full Keypad Industrial VoIP Analog Telephone As a standard analog telephone, the unit provides basic telephone functions and can be connected to any standard two-wire telephone line, including analog PABX lines and PSTN. This heavy duty hotline ...

Brand Name:J&R

Model Number:JR104-2B

Place of Origin:Shenzhen, China

...VoIP telephone Tunnel Emergency Phone The JR100 series Weatherproof Telephones are designed for use by the railways, power stations, the armed services, and heavy industry which require very reliable telephony under adverse conditions. As a standard analog telephone, this unit provides basic telephone functions and can be connected to any standard two-wire telephone line, including analog PABX lines and PSTN. SIP-VoIP

Brand Name:ZYCOO

Model Number:4FXS

Place of Origin:China

4FXS (Foreign Exchange Station) Telephony Trunk Interface Module FXS is an interface that connects to a station, such as an analog telephone or the FXO interface of another PBX. It provides ringing voltage and battery to the FXO devices. FXS interfaces...

Model Number:32FXS

Place of Origin:China

Brand Name:Huawei

...VOIP GSM 32FXS 1911/1930/1960 ASI BOARD PBX unified communication gateways offer rich IP-PBX telephony and conferencing capabilities for up to 20,000 users and support for analog equipment in hybrid environments. U1900 Series Gateways provide upstream connections to the Public Switched Telephone Networks (PSTNs...

Brand Name:Biocare or OEM

Model Number:RVG32

Place of Origin:China

RVG32 series voip gateway include 8-32 ports gateway with 1 WAN and 1 LAN, which can connect with common phone or PSTN phone with high-quality voice by codec G.711, G.723, G.729A and so on. It supports several PC machines from enterprise, office or family...

Model Number:KA-HA04

.../41 FDD:B1/B3/B5/B7/B8/B20 WCDMAB1/2/5/8 GSMB2/3/5/8 Ｏptional IP function: Supports 16 VoIP accounts;