Mobile solutions with My Phone
Technical specifications
This section briefly provides the main technical characteristics of the VoIP mode for both models
explained in previous sections (for full details, please refer to the Technical Communication TC0643,
available on the Alcatel-Lucent Business Partner Web Site).
Main characteristics of the VoIP solutions
Characteristic
IP Softphone (Web or 4980)
User is associated to a virtual
extension (no telephone)
IP Softphone (Web or 4980) (1)
User is associated to a physical
extension (telephone)
Operating System (client side)
Windows only
Windows only
RTP/RTCP support
Yes (2)
Yes (2)
Support of direct RTP flows
Yes Yes
(5)
Codec
G.711 - 64Kbits/s (3)
G723.1 – 5,3 and 6,3Kbits/s
G.729a - 8Kbits/s
G.711 - 64Kbits/s (3)
G723.1 – 5,3 and 6,3Kbits/s
G.729a - 8Kbits/s (4)
Quality of Service (QoS): Level
3 IP TOS/DiffServ
Yes Yes
QoS tickets generation (IP
statistics)
Yes No
Level 2 QoS: 802.1 P/Q
No (6)
No (6)
Audio Media control: audio
tuning wizard, audio volume
manager, dual audio device
Yes Yes
DTMF generation
Yes Yes
As defined in RFC 2833
Yes No
Wave Audio API from Microsoft
for acoustic echo cancellation
and noise reduction (depending
on sound board)
Yes (USB handset/headset
recommended)
Yes (USB handset/headset
recommended)
Echo cancellation (64 ms)
Yes (4)
Yes (4)
Signaling for voice calls
establishment
Proprietary Alcatel-Lucent UA
protocol (encapsulated into IP)
H323 protocol
Spatial Redundancy in Dual IP
Subnet
Yes (4)
Yes (4)
VoIP encryption
No (6)
No (6)
(1) Web Softphone in VoIP mode from OmniTouch UC R4.1 on
(2) Use of the ABERS RTP stack (Alcatel-Lucent RTP stack), which is equivalent to the IP-Phone stack
(3) Voice Activity Detection (VAD) is not available
(4) Available from OmniTouch UC R4.0 on
(5) Available from OmniTouch UC R4.0 and OmniPCX Enterprise R7.0 on
(6) Planned in a future release (2
nd
Q 2007)
Edition 2, Ref. 8AL020043256ZZASA - © Alcatel-Lucent 2006-2007
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