Network Interfaces: Dual 10/100 Mbps Ethernet ports with integrated PoE
Voice Codecs: Supports a wide range of voice codecs including G.711 (A-law and μ-law), G.729A/B, G.726, G.723, iLBC, OPUS
Audio Quality: HD audio on both the speaker and the handset for clear communication
Call Handling:
3 SIP accounts
3 lines
Phonebook capacity of up to 2000 contacts
Call history of up to 1000 records
Power: Power over Ethernet (PoE) or 5V DC power adapter (optional, not included)
Security: SRTP and TLS encryption, 802.1x for network security
Provisioning and Management: TR-069, XML config files, and Grandstream’s Device Management System (GDMS)
Features :
HD Audio: High-definition audio ensures crystal-clear communication on both the handset and speakerphone.
3 SIP Accounts: Supports multiple lines and accounts for increased flexibility in handling calls.
Advanced Call Features: Includes call hold, call transfer, 5-way audio conferencing, call waiting, call forwarding, and more.
GDMS: Integration with Grandstream’s Device Management System for centralized management and provisioning.
PoE Support: Simplifies installation by providing both power and network connectivity through a single Ethernet cable.
Security: Advanced security features with SRTP, TLS, and 802.1x network authentication to ensure secure communications.
User Interface: Enhanced user-friendly interface with a backlit LCD for better visibility and ease of use.
Additional Features:
Customizable ring tones and ring back tones
Personalized music ringtones
Off-hook auto dial
Built-in full-duplex speakerphone with acoustic echo cancellation
Wall mountable
Multi-language support
3.5mm headset jack for hands-free use
Use Case: The GrandStream GRP2603(P) is ideal for:
Small to medium-sized businesses seeking a robust and reliable VoIP solution.
Enterprises requiring flexible and advanced call handling capabilities.
Offices benefiting from easy deployment and management through PoE and GDMS integration.
This model is designed to deliver a comprehensive set of features and high performance, making it a suitable choice for a variety of business communication needs without the added complexity and cost of higher-end models.
