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pstn to sip

from 15 Products

PSTN / SIP / 3G Vandal Resistant Telephone For Outdoor / Indoor Emergency

China PSTN / SIP / 3G Vandal Resistant Telephone For Outdoor / Indoor Emergency on sale
Anti-Vandal PSTN/SIP/3G Telephone Robust Handset for Outdoor / Indoor Emergency Housed in robust cold rolled steel box and manufactured to a high ......
J&R Technology Limited

Address: RM 18 27/F HO KING COMM CTR 2-16 FA YUEN ST MONGKOK KL HONGKONG.

huawei espace 7950 series ip phone VoIP SIP Phone eSpace 7903X

China huawei espace 7950 series ip phone VoIP SIP Phone eSpace 7903X on sale
... and support for analog equipment in hybrid environments. U1900 Series Gateways provide upstream connections to the Public Switched Telephone Networks (PSTNs) or to voice switches in private networks. Downstream support for IP phones, analog phones, and...
Uonel Co.Limtied

Address: B-1906,Zhantao-Tech mansion ,Minzhi road 1079,longhua Dis,shenzhen 518110 China

RJ45 2 Port Gsm Gateway Voip Device Black 2FXS+2FXO SIP PSTN failover Busy Tone Detection

China RJ45 2 Port Gsm Gateway Voip Device Black 2FXS+2FXO SIP PSTN failover Busy Tone Detection on sale
RJ45 2 Port Gsm Gateway Voip Device Black 2FXS+2FXO SIP PSTN failover Busy Tone Detection OFS-CG4 Serise Multi Gateway Description OFS- CG4 Analog Telephone Adapters (ATA) series offers high quality low density access devices used in residential, SOHO and ......
Shenzhen Optfocus Technology Co., Ltd.

Address: Floor 3,Building No.7,Tangtou 3rd Industrial Park,Shiyan Street of BaoAn District,ShenZhen City China

PSTN VOIP PBX Server Abundant Voice Service , Asterisk Voip Gateway Trunking Gateway

China PSTN VOIP PBX Server Abundant Voice Service , Asterisk Voip Gateway Trunking Gateway on sale
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......
Guangdong Global Telecommunication Technology Co., Ltd.

Address: No.75-78 Pacific Industrial Zone,Xintang Town, Zengcheng Area, Guangzhou, China (510660)

Rolling Dial Elevator Emergency Phone , Hands Free Phone PSTN / SIP Flush Mounted

China Rolling Dial Elevator Emergency Phone , Hands Free Phone PSTN / SIP Flush Mounted on sale
Rolling dial Elevetor telephone,Handsfree Analog telephone,PSTN/SIP Flush mounted Telephones DESCRIPTION This Rugged intercom is housed in stainless steel box with stainless steel faceplate and manufactured to a high standard, it offers increased ......
J&R Technology Limited

Address: RM 18 27/F HO KING COMM CTR 2-16 FA YUEN ST MONGKOK KL HONGKONG.

Rugged Keypad IP65 PCB Vandal Proof SIP Telephone

China Rugged Keypad IP65 PCB Vandal Proof SIP Telephone on sale
Product Description JR207-FK PCB Vandal Proof SIP Telephone JR207-FK PCB Vandal Proof SIP Telephone can receive and call through the Internet without using traditional PSTN systems. It is mainly used for voice communication and emergency help in public. ......
J&R Technology Limited

Address: RM 18 27/F HO KING COMM CTR 2-16 FA YUEN ST MONGKOK KL HONGKONG.

FCC SIP IP65 Handsfree Roadside Emergency Phone Vandal Resistant

China FCC SIP IP65 Handsfree Roadside Emergency Phone Vandal Resistant on sale
...PSTN. Specifications and characteristics Emergency Telephone, SOS phone with lock key for Roadside, Highway, Subway Standard VoIP/SIP telephone Robust housing, constructed of cold rolled steel Vandal resistant metal button Hands free operation Surface &...
J&R Technology Limited

Address: RM 18 27/F HO KING COMM CTR 2-16 FA YUEN ST MONGKOK KL HONGKONG.

Two port 4 Channel VOIP GSM Gateway 10 / 100 Base-T Ethernet SIP SIM Card 1 year warranty

China Two port 4 Channel VOIP GSM Gateway 10 / 100 Base-T Ethernet SIP SIM Card 1 year warranty on sale
... VoIP and GSM cellular calls. It is a great alternative to PSTN, especially in area where GSM service is available for VoIP call termination. A typical set up is shown as follow: GP is designed to work in conjunction with ......
Shenzhen Optfocus Technology Co., Ltd.

Address: Floor 3,Building No.7,Tangtou 3rd Industrial Park,Shiyan Street of BaoAn District,ShenZhen City China

H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna

China H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna on sale
... in multi vendor open architecture VoIP networks. GP is a great way to provide fast phone service deployment where regular PSTN line may not be readily available. GSM gateway also...
Shenzhen Optfocus Technology Co., Ltd.

Address: Floor 3,Building No.7,Tangtou 3rd Industrial Park,Shiyan Street of BaoAn District,ShenZhen City China

White 8 Channel GSM VOIP Phone Gateway SIP proxy mode 12 Vdc 500 mA AC DC adapter

China White 8 Channel GSM VOIP Phone Gateway  SIP proxy mode 12 Vdc 500 mA AC DC adapter on sale
... in multi vendor open architecture VoIP networks. GP is a great way to provide fast phone service deployment where regular PSTN line may not be readily available. GSM gateway also...
Shenzhen Optfocus Technology Co., Ltd.

Address: Floor 3,Building No.7,Tangtou 3rd Industrial Park,Shiyan Street of BaoAn District,ShenZhen City China

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