how voip works

Brand Name:Yuantong

Place of Origin:China

Model Number:SG50

...VoIP Phone Hospital Service System Phone Voip Video Phone VoIP Portable Telephone Multi Waterproof Telephone SIP BI-Directional Two Way Video Intercom is a set of modern residential service measures, providing two-way video communication between visitors and residents, to achieve double recognition of image and voice, thereby increasing safety reliability, saving a lot of time and improving work...

Brand Name:Global Tech

Model Number:GT-SS3500

Place of Origin:China

...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 network through digital or analog trunking of GT-TG series trunking gateway. The Soft switch system is support IP PBX/ AG/IAD/IP phone user access. It can also work

Brand Name:OPTFOCUS

Model Number:OFS-GP1I

Place of Origin:Guangdong, China(Mainland)

...VOIP GSM SIP Gateway / Voip Gateway Service 1 Channel 0.40kg Voice prompts OFS-GP1I Descreiption: A VoIP GSM gateway (GP) is an IP-based device that enables inbound and outbound 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...

Brand Name:JiZhong

Model Number:JZ-G8011U-H

Place of Origin:China

...-effective GPON technology, providing 1 PON port, 2 10/1000M, 1 VOIP port, adopting single fiber WDN technology (downlink 1490nm, uplink 1310nm), require only one fiber to connect with OLT, the longest ...

Brand Name:ZYCOO

Model Number:2WCDMA

Place of Origin:China

2WCDMA Telephony Trunk Interface Module Designed with the SIM5320 series module for the global market, SIM5320 is Dual-Band WCDMA and Quad-band GSM engine that works on frequencies UMTS 850MHz, UMTS 900MHz, UMTS 1900MHz, UMTS 2100MHz, GSM 850MHz, EGSM ...

Brand Name:LINK-PP

Model Number:FM-1006SLF

Place of Origin:Guangdong,China

... quality and market Q:What is delivery time if we place an order? A:it depends order quantities. Usually,we can deliver goods within 3-5 working days for small orders,for more QTY.order,let’s confirm when you place offical order. Q:Do you accept OEM/ODM?

Brand Name:G-tech

Model Number:ECO Mini DC UPS

Place of Origin:China

... power to net work equipment like modem, router, CCTV, but also can be used to charge smart phones, other digital devicesm, etc. *High capacity lithium batteries, ...

Brand Name:J&R

Model Number:JR101-FK

Place of Origin:Shenzhen, China

Product Description JR101-FK Wall Mount Industrial Waterproof Power Plant Telephone When an emergency occurs, mobile phone has become a decoration. How to get in touch with field operators quickly and how to realize remote scheduling is still important in ...

Brand Name:HUAWEI

Model Number:E5785-320

Place of Origin:CHINA

Key attributes type CPE products status New with modem function Yes standards and protocols Wi-Fi 802.11g, Wi-Fi 802.11b, Wi-Fi 802.11n, Wi-Fi 802.11ac wi-fi supported frequency 2.4G & 5G lan ports 0 max. lan data rate 300Mbps application Outdoor WAN Ports...

Brand Name:HW

Model Number:HG8321R

Place of Origin:China

FTTH ONT Terminal 1GE+1FE+1POTS HG8321R Router Modem Onu Gpon Wifi ONU Huawei The HG8321R FTTH is an optical network terminal (ONT), is a high-end home Bridge in FTTH solution. By using the GPON technology, ultra-broadband access is provided for home and ...

Place of Origin:china

Brand Name:OEM

Model Number:SK-BH-M10

... bluetooth cell phones,it beautifully works in office.Enjoy fun of wireless via an bluetooth dongle ,it works well with SKYPE,MSN,and VoIP.Crystal clear sound can thoroughly release your hands to enjoy your work! Features: 1). Blocks 4 times the external...

Brand Name:CISCO

Model Number:CP-7975G

Place of Origin:CHINA

...VoIP telephony, including wideband audio support, backlit color touchscreen display, and an integrated Gigabit Ethernet port. It addresses the needs of the executive or major decision maker, administrative assistants, and those working with bandwidth-intensive applications on colocated PCs

Brand Name:HUAWEI

Model Number:Huawei PVMD

Place of Origin:CHINA

... access services and also comprehensive voice over IP (VoIP) and multimedia access services. In the fiber to the building (FTTB) or fiber to the curb (FTTC) networking, UA5000 Mini MSAN functions as a multi-dwelling unit (MDU), which works with the optical

Brand Name:XTY

Model Number:SMD7050

Place of Origin:China

... frequency up to 250 MHz 4. Tri-state enable/disable Product application Set-top Box HDTV WiMAX/WLAN xDSL/ VoIP Cable modem Product advantage 1.Our products are all original and new from manufacturer. It must be work if the model number is correct. 2.We

Brand Name:GLGNET

Model Number:PGCA4T1004PW-D4Y

Place of Origin:China

... ( PGCA4T1004PW-D4Y ) Application IDC(Internet Data Center) Web Servers Work Station Hub Switches Splitters Routers PC/LAPTOP Printer VOIP Set-Top Box IP Camera 1. GLGNET 1x4 RJ45 Connectors ( PGCA4T1004PW-D4Y ) Structure: 1 x 4 Ports 8P8C Shielding RJ45 ...

Brand Name:Beward

Model Number:DS06AP-3L

Place of Origin:China

Full Duplex IP65 Vandalproof Sip Video Door Intercom Smart Ip Doorphone Work With VOIP Phone Smart sip intercom offers a range of functions for communication with visitors,door entry access control and video surveillance.It's will always help you to know...