Restoring Dial Tone - Northern Telecom M5317TX Installation Manual

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54
Optional equipment

Restoring dial tone

If there is no dial tone or if you cannot make a telephone call, follow these
procedures. Check for dial tone and try to make a call after each step.
1.
Check for flashing error codes as listed in the previous section.
2.
Check and re-insert any loose Teladapt connectors.
3.
Wiggle the line cord or handset cord while listening for sounds from
the handset. If you hear crackling or ticking sounds, replace the cords.
4.
Check the Teladapt socket for the handset or try another handset.
5.
Re-run any defective wiring between the line card, distribution panel,
and telephone.
6.
Check the switch software to confirm the correct telephone assignment
and voice channel operation in the network.
7.
Replace the telephone.
M5317TX and CustomNet Installation Guide

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