Cisco 7941G Administration Guide

DescriptionItem
Number of RTP voice packets transmitted since voice stream was
opened.
This number is not necessarily identical to the number of RTP
voice packets transmitted since the call began because the call
might have been placed on hold.
Note
Sender Packets
Estimated average RTP packet jitter (the dynamic delay that a packet
encounters when going through the network) observed since the
receiving voice stream was opened.
Avg Jitter
Maximum jitter observed since the receiving voice stream was opened.Max Jitter
Number of RTP packets in the receiving voice stream that have been
discarded.
The phone discards payload type 19 comfort noise packets that
are generated by Cisco Gateways, which increment this counter.
Note
Rcvr Discarded
Missing RTP packets (lost in transit).Rcvr Lost Packets
Voice Quality Metrics
Score that is an objective estimate of the mean opinion score (MOS)
for listening quality (LQK) that rates from 5 (excellent) to 1 (bad). This
score is based on audible concealment events due to frame loss in the
preceding 8-second interval of the voice stream. For more information,
see Voice Quality Monitoring, on page 232.
The MOS LQK score can vary based on the type of codec that
the Cisco Unified IP Phone uses.
Note
MOS LQK
Average MOS LQK score observed for the entire voice stream.Avg MOS LQK
Lowest MOS LQK score observed from start of the voice stream.Min MOS LQK
Baseline or highest MOS LQK score observed from start of the voice
stream.
These codecs provide the following maximum MOS LQK score under
normal conditions with no frame loss:
•
G.711 gives 4.5
•
G.722 gives 4.5
•
G.728/iLBC gives 3.9
•
G.729 A/AB gives 3.8
Max MOS LQK
Version of the Cisco proprietary algorithm used to calculate MOS LQK
scores.
MOS LQK Version
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco
Unified Communications Manager 9.0 (SCCP and SIP)
186
Model Information, Status, and Statistics
Call Statistics Screen

Cisco 7941G Specifications

General

Keypad number of keys	12
Touchscreen	-
Display resolution	320 x 222 pixels
Speakerphone	Yes
Voice codecs	G.729a
Bluetooth	No
Supported network protocols	DHCP, TFTP, SCCP, DSCP
Ethernet LAN (RJ-45) ports	2
Input voltage	48 V
Dimensions (WxDxH)	266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Safety	(UL) 60950, (CSA) C22.2 No. 60950, IEC 60950, EN 60950, AS/NZS 60950
Certification	CE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3af
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g