T981/T981P is an entry-level, cost-effective multi-functional high-definition IP voice phone. It is simple to use, highly cost-effective, and suitable for various environments. With excellent high-definition voice quality and rich telephone system functions, it fully meets the needs of small and medium-sized enterprises, call centers, and industry users.
The T981/T981P SIP phone features a 132x64 resolution LCD screen, with characteristics of easy installation, simple configuration, and user-friendliness. It supports 2 SIP accounts and a 5-party conference function, and can realize rich business functions through perfect cooperation with IPPBX.
Telephone features:
· Two SIP accounts
Call waiting
Call forwarding · Busy forwarding/Consultation forwarding
Call hold, mute, do not disturb
Speed dial, hotline. Redial, callback
· Automatic redial, automatic response
·IP address call
· Dialing rules
The Five-Party Conference
· Volume adjustment
· Configurable ringing mode
·XML Browser
·Action URL/URI
· Key lock
· Phonebook :1000 groups
· Blacklist :100 groups
Call log: 100 entries
Up to 5 remote phonebook urls are supported
·LDAP
· Multilingual support
· Point-to-point call
Management and maintenance
· Automatic configuration/upgrade:
FTP/TFTP/HTTP/HTTPS/PnP
·HTTP/HTTPS Web configuration
· Configure via the phone keys
·SNMP
·TR069
· Network packet capture
·NTP time synchronization
Daylight Saving Time
· Upgrade the software via the Web
·Syslog
· Configure backup/recovery
Cloud Management System (NMS
IP-PBX features:
Short messages, voicemail, Message Waiting Alert (MWI)
· Keep the music and walkie-talkie on during the call
Answering on behalf of others, answering within the group
· Anonymous Call
· Anonymous call rejection
Physical properties
·132x64 dot matrix grayscale LCD display (2.3 inches)
· Power adapter :AC100-240V@DC5V1A
· POEIEEE802.3 af
·1xRJ9 handle interface
·1xRJ9 headphone jack
It can be wall-mounted
· Phone size: 180x192x36mm
· Net weight: approximately 0.37kg
· Packaging size: 202x206x94mm
· Overall weight: approximately 1.02kg
Voice media
·HD high-definition voice
· Broadband voice coding :G722OPUS-WB
· Narrowband speech coding :PCMA, PCMU, G.729, G723, G726, AMR, OPUS, iLBC
· Echo cancellation/dynamic jitter cache
· Speech Activity Detection (VAD
· Comfortable Noise (CNG
· Full-duplex hands-free
Agreement & Standard
·SIPv1(RFC2543), v2(RFC3261)
SIPTLS, SRTP encryption
TCP/IP/UDP
·RTP/RTCPRFC2198, 1889
·HTTP/HTTPS/FTP/TFTP
ARP/RARP/ICMP/NTP/DHCP
·DNS SRV/ A Query/NATPR Query
·STUN, Session Refresh (RFC4028)
·DTMF modes: In-Band, RFC2833 and SIP INFO
·LLDP
·802.1x, OpenVPN
