VFIDELITY INC

Grandstream GXP Series IP Phones

Get more done, handle more calls, and keep in touch with more people.
Our GXP series phones are designed for users who are often on the phone and need access to advanced features, line support and usability options. Get more done, handle more calls, and keep in touch with more people.
Built-in uninterruptible power supply (UPS)
to reduce service downtime
Features
Simple, intuitive, and effective. Our GXP1600 series of Basic IP phones deliver interactive communications to a desktop for the user who needs access to VoIP but does not require advanced features.
Incredible Performance, can easily handle 300 concurrent calls on G711
Support hundreds of calls in small form factor size.
Aluminum Enclosed Case and Fanless Design
The aluminum enclosure with fanless design. Upto 50°C operating temperature.
Built-in UPS
Maintain service uptime with built-in UPS.
Up to 8 Analog Ports with Failover Function
Multiple combinations of FXS and FXO analog ports to satisfy your requirements.
HD voice codecs: OPUS, AMR-NB/WB, G.722, SILK and VP8.
Supports a wide range of high-definition Codecs for clear communication.

Support external Storage  1×SD slot,up to 128G

Large storage support for voice and other data recordings.
Show full features
Full Features

  • Support SIP & IAX2
  • HD Video Calls
  • Echo Canceller
  • Extension User Privileges
  • Event Notification
  • Support Backup/Restore
  • Remote Management
  • Hot Standby
  • Support Firewall
  • Secure SIP calling (TLS encryption)
  • Follow-Me/Ring Group/Queue
  • Quickly Auto Provision IP Phones
  • Support IMS
  • Flexible Inbound/Outbound Route
  • Blacklist
  • AutoCLIP
  • Time Condition
  • PIN List
  • Automated Attendant (IVR)
  • Phonebook
  • LDAP Service
  • Wakeup Service
  • DISA (Direct Inward System Access)
  • Conference
  • Call Back
  • Speed Dial
  • Call Recording
  • Music On Hold
  • Support Multiple VPN protocols: OpenVPN, L2TP, N2N, SSTP
  • Support Open API Protocol (based on Asterisk)
  • Click2call
  • Support WebRTC
  • AI TTS
  • SIP Instant Messaging
  • Call Detail Records (CDR)
  • Billing Report
  • Voicemail
  • Missed Calls Notification
  • Email Server
  • Antispam support
  • Support Mail Relay
  • Fax to Email
Compare model
UC300
UC500
UC501
Users
unlimited
unlimited
unlimited
Max concurrent calls
150 with G.711
50 with G.729
150 with G.711
50 with G.729
150 with G.711
50 with G.729
Analog channels

1FXS,1FXO

2FXO

4FXS,1FXO

1FXS,4FXO

2,4,6,8 analog interfaces

any combination of 3 modules:

FXS-200

FXO-200

FXOS-200

2,4,6,8 analog interfaces

any combination of 3 modules:

FXS-200

FXO-200

FXOS-200

Protocol
SIP (RFC3261), IAX2
SIP (RFC3261), IAX2
SIP (RFC3261), IAX2
HD Codecs:
OPUS, AMR-NB/WB, G.722, SILK and VP8
UPS
One-Year warranty
Net Weight
680g
858g
858g
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