SP-R52P
- 2 Lines (support 2 SIP accounts)
- Support call waiting, call forwarding, call transfer
- Call on hold, mute,redial
- Phonebook (500 groups), Blacklist (100 groups), call logs (100 entries)
- 3-Way Conference
- DND （Do Not Disturb)
- Volume adjustable, ring tones selectable
- 5 Remote Phone Book URL supported
- Call Pickup/Group Call Pickup
- Speed Dial
- Intercom
- Daylight Saving
- Network Packet Capture
- Country Ringtone Signal
- Direct IP call
- Auto Answer
- Hotline
- Multi-Languages: Default: English and Simple Chinese
- Dial Plan
- Wideband Codec: G.722
- SMS, voicemail, MWI message Notification
- HD Voice
- Narrowband Codec: PCMA, PCMU, G.729, G.722, G723_53, G23_63, G726_16, G726_24, G726_32, G726_40
- VAD, CNG, Echo Canceller
- Full-Duplex Speakerphone
- Support HTTPS (SSL)
- Support SRTP for Voice Data Encryption
- Support Login for Administration
- Sip Over TLS
- SIP V1 (RFC2543), V2 (RFC3261)
- Static IP/DHCP for IP configuration
- 3 DTMF modes: In-Band, RFC2833, SIP INFO
- HTTP/HTTPS Web Server for Management
- NTP for Auto Time Setting
- TFTP/FTP/HTTP/HTTPS client API
- 802.1Q VLAN
- Auto provisioning using FTP/TFTP/HTTP/HTTPS/PnP
- Dial through IP PBX Using Phone Number
- Dial through IP PBX Using URL Address
- Configuration Managements with Web, keypad on the phone, and Auto Provisioning
- SNMP
- TR069
- Using AudioCodes AC495L-CBL Chipset
- 2.6'' 132x64 Graphical LCD with Backlight
- 34Keys (with 4 Soft Keys 12Programmable keys)
- 4 LED Lights (1 Power Light, 2 Account Light, and 1 Voice Mail Light)
- 1 RJ9 Handset Jack
- 1 RJ9 Headset Jack
- 2 RJ45 10/100M Ethernet Jacks
- Wall Mount
- AC Power Adapter: Input: AC 100-240V; Output: DC 5V/1.2A
- POE: IEEE 802.3af