Grandstream VoIP adapter for Professionals

Grandstream GXW4224 V2

Baseline: Analogue VoIP gateway on existing analogue phones, fax machines and legacy PBX systems
Short_description:
- 24 telephone FXS ports
- Graphic LCD display
- 4 SIP server profiles per system
- Supports a variety of Fax codecs

£563.99

Ref: GRAGXW4224UK

Baseline: Compact ATA VoIP adapter for connecting two analogue telephones to an IP network, featuring 2 SIP profiles, TLS/SRTP security and automatic configuration.
Short_description:
- VoIP ATA adapter for connecting 2 analogue telephones to an IP network
- Connectivity: 2 FXS ports and 1 10/100 Mbps RJ45 Ethernet port
- Support for two SIP configurations and 3-way conferencing
- Audio quality: G.711, G.722, G.729 and Opus codecs, with advanced echo cancellation
- Secure communications: TLS and SRTP security, and automatic SIP server failover
- Simplified provisioning: automatic configuration via XML, TR-069 and Zero Config
- Advanced telephony: call transfer and call forwarding, call waiting, three-way conferencing and T.38 fax

£34.99

Ref: GRAHT802V2

Baseline: Compact ATA adapter for connecting an analogue telephone to a VoIP network, featuring 1 FXS port, TLS/SRTP security and automatic provisioning.
Short_description:
- VoIP ATA adaptor for using an analogue telephone on an IP telephone network
- Connectivity: 1 FXS port and 1 10/100 Mbps RJ45 Ethernet port
- Supports 1 SIP profile and 3-way conference calls
- Audio quality: G.711, G.722, G.729 and Opus codecs, with echo cancellation
- TLS and SRTP protocols to secure signalling and voice communications
- Simplified management: automatic provisioning via TR-069 and XML files
- Advanced features: call transfer and call forwarding, call waiting and SIP server failover

£36.99

Ref: GRAHT801V2

Baseline: VoIP telephone adapter with 2 FXS ports, 2 Gigabit connections and a built-in NAT router, ideal for connecting analogue telephones to corporate IP networks.
Short_description:
- VoIP ATA adapter for connecting 2 analogue telephones to an IP network
- 2 FXS ports: supports 2 SIP profiles
- Gigabit connectivity: 2 x 10/100/1000 Mbps RJ45 Ethernet ports with NAT router
- HD audio: wideband codec, advanced echo cancellation and 3-way conferencing
- Advanced security: AES encryption with individual certificates and TLS/SRTP protocols
- Automated management: secure provisioning via TR-069 and remote configuration
- Features: call transfer and forwarding, call waiting, ‘Do Not Disturb’ mode and T.38 fax

£39.99

Ref: GRAHT812V2

Baseline: Analog phone adapter that offers 1 FXS port for analog phone and 1 FXO port for PSTN line
Short_description:
- Analog phone adapter
- 1 FXS port for tel. Analog and 1 FXO port for PSTN lines
- 2x 10 / 100Mbps (RJ45) ports with integrated router
- Dual LAN and WAN port
- Voice conference of 3 participants per port

£76.99

Ref: GRAHT813UK

Baseline: Powerful analog telephone adapter that is easily deployable and manageable.
Short_description:
- Send and receive calls from the conventional telephone network or free over the Internet without having to change the telephone.
- It allows the connection of analog (conventional) telephones with or without cable and converts them into VOIP.
- Two (2) FXS ports
- Two (2) RJ45 ports of 10/100 / 1000Mbps
- SIP protocol.

£51.99

Ref: GRAHT812UK

Baseline: Powerful analog telephone adapter that is easily deployable and managable.
Short_description:
- Supports 1 SIP profile
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Supports 3-way voice conferencing
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more

£39.99

Ref: GRAHT801UK

£43.99

Ref: GRAHT802UK