GLV-540 User Manual
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7.5 Appendix E: Product Specifications
Table 34: Hardware Specification
Power Supply
5V DC/3.0A input to device
Dimensions
440.96(L) x 141.81(w) x 44(H) mm
Operating
Temperature
Operating: 0
°C
to 45
°C
Storage: -20
°C
to 65
°C
Humidity
Operating: 10% to 90 % (non-condensing)
Storage: 5% to 95% (non-condensing)
EMI
Compliance
CISPR22 class A
Table 35: Technical Specifications
VoIP
Protocols/Standards
SIP 2.0 (RFC 3261),
SDP (RFC 2327),
Offer-Answer Model with SDP (RFC 3264)
Locating SIP Servers (RFC 3263),
Refer (RFC 3515),
Replaces (RFC 3891)
E.164 (RFC 2916),
STUN (RFC 3489),
RTP (RFC 1889),
RTCP (RFC 3550),
RTP Payload for DTMF (RFC 2833),
SIP INFO (RFC 2976),
Event Notification (RFC 3265)
Audio Features
Full-duplex
hands-free
speakerphone,
Digital
Signal
Processing (DSP) Support for
G.723.1 5.3k, G723.1 6.3k, G.729A/B,G.711 µ/A law,G.726
32k, iLBC, G.722 (wide band),
In-band, out-of-band DTMF (In Audio, RFC2833, SIP INFO),
Silence Suppression,
VAD (voice activity detection),
CNG (comfort noise generation),
AGC (automatic gain control),
Packet loss concealment,
Acoustic Echo Cancellation (AEC),
Advanced low delay jitter buffer,
Adjustable audio frames per packet,
3-way Conference (mixer),
Volume control (Handset/Headset/Speaker)
Call Features
Call hold, Music on Hold, Hold Alert*,
Call transfer (attended/blind),
Call waiting,
3-way conferencing,
Call forward (no answer, busy, unconditional, selective),
Caller Id,
Call Park, Call Retrieve,
Message waiting indication (LED, tone),
Distinctive ringing, Downloadable custom ring-tones,
Do not disturb(DND),