Issue:
When a SPA50x or SPA303 IP phone is configured in the following way:
- Running version 7.4.7 firmware
- Voice > Phone > Programmable Softkeys > Programmable Softkey Enable: yes
- Voice > Phone > Miscellaneous Line Key Settings > Line Navigation: Per Line
The phone will exhibit the following incorrect behavior in the following scenario:
- Dial another phone.
- Before the other phone answers, press the "end call" soft key.
- The phone continues playing ring-back even though the called phone stopped ringing.
Work-around:
The following work-around will correct this behavior:
- Running version 7.4.7 firmware
- Voice > Phone > Programmable Softkeys > Programmable Softkey Enable: yes
- Voice > Phone > Miscellaneous Line Key Settings > Line Navigation: Per Call
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