Setting the flash time for the recall key, Recall key (in public telephone systems), Using the repertory keys as "function keys – Siemens Euroset 5015 User Manual
Setting the flash time for the recall key, Recall key (in public telephone systems), Using the repertory keys as "function keys | Example: call forwarding | Siemens Euroset 5015 User Manual | Page 6 / 36
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