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VoIP recording
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 VoIP
Call Recording
SMARTCALL Voice-Net recording products record Voice over IP calls in addition to
telephone trunks, digital or analogue extensions, and audio from the
telephone or headset at the desktop.
Voice-Net
recording
technology uses a VoIP tapping API retrieving both voice and call data
packets from the network. This data is then processed, such that the
voice-stream together with the call data can be recorded or monitored in
real-time. Combining voice and call data in this way eliminate the need
for additional CTI integration as all telephony event information is
available together with the voice itself.
This
same API is used to record VoIP, digital or analogue extensions, ISDN, and
Analogue trunks, facilitating any mix of these recording types to co-exist
on one platform and hence providing flexibility and reduced cost.
VoIP
traffic is monitored using a network card in the Voice-Net
which
is directly connected to a SPAN port on the local network Fast Ethernet
switch. The SPAN port outputs copies of all VoIP traffic on the VoIP
Virtual LAN segment to the Voice-Net
VoIP recording interface. All VoIP phones should be connected within a
single VLAN, allowing their traffic to be copied to the SPAN port.
In
the scenario where there are VoIP phones in remote offices to be recorded
at a central location, 'Remote Spanning' (RSPAN) can be used. Clearly it
is important to choose Ethernet switches which support local and remote
SPAN ports, together with guaranteed Quality Of Service for the VoIP VLAN
segments.
Voice-Net VoIP Specifications
 The
number of VoIP phones
that
can be recorded on a single
Voice-Net Node depends largely upon whether the VoIP codec uses audio
compression or not and the server hardware specification. For example:
CPU
G711 codec
G729 codec
Type
(uncompressed)
(compressed)
Pentium
4
96 channels
32 channels
Dual
Xeon
128 channels
96 channels
VoIP
Specific Telephony Platforms Supported
VoIP
Protocols
Supported
-
SIP
-
Generic
RTP (VoIP Vox)
-
H323/H225
-
G729A
The list is constantly
growing so even if we don't support your PBX today, we may well support it
tomorrow.
Note:
VoIP
recorders are generally unable to record VoIP traffic which uses either
IPSec (IP Security) protocol or audio encryption. To record VoIP
conversations in such circumstances, trunk side recording or audio
recording using the Voice-Net
Active Link Adapter are
possible alternatives.
The
Voice-Net
Active Link Adapter supports capture of audio at the
telephone handset or headset which can be used with just about any type of
phone from any manufacturer.
See more about our Voice-Net
Active Link Cable
recording adapter:
Learn more about the features offered by
Voice-Net:
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