Aastra OpenCom 510 User Guide - Page 208
DECT, PBX Configuration: Devices: DECT
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Frequently Asked Questions DECT A specific MSN can be seized for individual calls by means of a code number procedure. For further information, refer to the "OpenCom 100, Operation on Standard Terminals"user guide. What are some of the causes for problems when sending and/or receiving faxes? In frequent cases, the reason may be found in a problem with the ISDN-L1 reference clock distribution. The L1 clock is delivered from the network provider. An unclean L1 clock distribution and the introduced signalling jitter is overheard by the human ear. Nevertheless, data and fax transmissions may be disturbed by the jitter. Please check, which ISDN lines will deliver the L1 clock. One of the installed ISDN interface boards (MX+S01-8 or MT+S2M1-1) should show a steady green light with LED 3. Details can be found under L1 Clock starting on page 153. The fax data transfer possibly is routed via a compressing VoIP connection. Please verify, if the a/b port is configured with the "Fax" setting. For the VoIP connection, select a VoIP profile which includes the non-compressing G.711 codec. 20.3 DECT The LED of the RFP 22/24 base station is flashing, but none of the DECT devices is functioning. Make sure the terminal setting for the corresponding Upn port is set to RFP 22/24 (Configurator, PBX Configuration: Ports: Upn menu). If multiple RFP 22/24 base stations are installed, the blinking LED indicates that synchronisation is not finished. The LED of the RFP 22/24 is continuously lit up, but one of the cordless DECT devices is indicating "No connection". You have not registered this DECT device. Configure a port in the Configurator and start the enrolment procedure (PBX Configuration: Devices: DECT Phones menu). Is it possible to increase the time for the enrolment procedure? You must manually enter the IPEI of the DECT device in the Configurator. The enrolment time is then increased to one hour (PBX Configuration: Devices: DECT Phones menu). 206