Bedienungsanleitung Unify OpenScape Desk Phone CP205 (Seite 158 von 189) (Englisch)

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Administration

A31003-C1000-M102-5-76A9, 09/2017

158 OpenScape Desk Phone CP200/CP205/CP400/CP600 HFA, Administration Manual

administration.fm

Diagnostics

3.20.5.2 View Session Data

OpenScape Desk Phone CP phones generate QoS reports using a HiPath specific format,

QDC (QoS Data Collection). The reports created for the last 6 sessions, i. e. conversations, can

be viewed on the WBM.

To enable the generation of reports, please ensure that:

• the switch QoS traps to QCU (System > SNMP) is activated (see Section 3.3.8, “SNMP”);

• the conditions for the generation of reports are set adequately (see Section 3.20.5.1, “Con-

ditions and Thresholds for Report Generation”).

For details about QoS reports on OpenScape Desk Phone CP devices, see the HiPath QoS

Data Collection V 1.0 Service Manual.

A QoS report contains the following data:

• Start of report period - seconds: NTP time in seconds for the start of the report period.

• Start of report period - fraction of seconds: Additional split seconds to be added to the

seconds for an exact start time.

• End of report period - seconds: NTP time in seconds for the end of the report period.

• End of report period - fraction of seconds: Additional split seconds to be added to the

seconds for an exact end time.

• SNMP specific trap type: The trap type is a 5 bit value calculated from a list of threshold-

exceeding bits. Every time a threshold is exceeded, the associated bit is set, otherwise it

is cleared.

The trace type bits are defined as follows:

• Bit 0: Jitter threshold was exceeded.

• Bit 1: Delay threshold was exceeded.

• Bit 2: Threshold for lost packets was exceeded.

• Bit 3: Threshold for consecutive lost packets was exceeded.

• Bit 4: Threshold for consecutive good packets was exceeded.

• IP address (local): IP address of the local phone.

• Port number (local): RTP receiving port of the local phone.

• IP address (remote): IP address of the remote phone that took part in the session.

• Port number (remote): RTP sending port of the local phone.

• SSRC (receiving): RTP Source Synchronization Identifier of the local phone.

• SSRC (sending): RTP Source Synchronization Identifier of the remote phone.

• Codec: Number of the Payload Type applied in the session; see RFC 3551 (Table 4 and 5).

• Maximum packet size: Maximum size (in ms) of packets received during the report inter-

val.

• Silence suppression: Number of silence suppression activation objects found in the RTP

stream received. A silence suppression activation object is defined as a period of silence

when no encoded voice signals were transmitted by the sender.

• Count of good packets: Total amount of good packets.

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