Name: 4/8/16 ports goip gsm voip gateway termination voip business cordless phones with sim
Brand: SKYLINE, SKYLINE
Availability: InStock

Product Details

Specifications

cordless phones with sim
1.Auto IMEI Change
2.quad band
tocol:H.323/SIP

4/8/16 ports goip gsm voip gateway termination voip business cordless phones with sim

Production introduction

GoIP-8 GSM Gateway bridges the GSM and the IP networks by enabling voice communications. It is ideal for VoIP to Local termination where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network. Significant savings on long distance charges can be realized.

Key Features	Open Standard VoIP Protocols (IETF SIP V2)
	Single or Multiple Server Registrations
	Two 10/100 Ethernet for WAN / LAN connections
	Peer-to-Peer IP Calls
	Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
	Line Echo Cancellation
	VLAN and QoS support
	NAT Transversal and Router functions
	Voice prompts, HTTP Web, Auto Provision support for configuration and updates
	Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Features	LEDs for Power, Ready, Status, WAN, PC, FXS
	Dial in mode or dial out mode only
	Call forward from GSM to VoIP and VoIP to GSM
	Dial Plan
	Retransmit GSM Caller ID to VoIP terminal

Enhanced Features	Dynamic selection of codec
	Advanced jitter buffer
	Automatic traversal of NAT and firewall
	VLAN / Qos
	Router
	Echo cancellation for Speakerphone
	Comfort noise generation (CNG)
	Voice activity detection (VAD)
	Auto provisioning (requires auto provisioning server)
	On line firmware upgrade
	Multi-language support: English and Chinese

Supported Standards	ITU: H.323 V4, H.225, H.235, H.245, H.450
	RFC 1889 - RTP/RTCP
	RFC 2327 -SDP
	RFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
	RFC 2976 - SIP INFO Method
	RFC 3261 - SIP
	RFC 3264 - Offer/Answer model with SDP
	RFC 3515 - SIP REFER Method
	RFC 3842 - A Message Summary and Message Waiting Indicator
	RFC 3489 - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
	RFC 3891 - SIP "Replaces" Header
	RFC 3892 - SIP Referred-By Mechanism
	draft-ietf-sipping-cc-transfer-04 - Session Initiation Protocol Call Control Transfer
	Codec: G.711 (A/µ law), G.729A/B, G.723.1
	DTMF: RFC 2833, In-band DTMF, SIP INFO


Physical and Environmental	Storage temperature: 0°C to 50°C (32°F to 122°F) Operating temperature: 10°C to 40°C (50°F to 104°F)
	G.W: 1203 g
	Power: 12 VDC 3A (110V-220V) (AC/DC adapter included)
	Warranty: one year

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Pictures of products

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Payment Details

Delivery Time	Within 3 business days
Payment	T/T , Western Union, PayPal
MOQ	1
Warranty	one year