NEC Univerge SV9100 - To Release Dial Block; To Release Dial Block from Another Extension; To Set Dial Block from Another Extension

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3. Dial the 4-digit Dial Block Code (as set in programming).
4. Dial 1.
 Confirmation tone is heard.
5. Press Speaker or replace the handset to hang up.
To release Dial Block:
1. At the multiline terminal, press Speaker.
- OR -
At the single line telephone, lift the handset.
2. Dial 700.
3. Dial the 4-digit Dial Block code.
4. Dial 0.
 Confirmation tone is heard.
5. Press Speaker or replace the handset to hang up.
To set Dial Block from another extension:
1. At the multiline terminal, press Speaker.
- OR -
At the single line telephone, lift the handset.
2. Dial 701 (default).
3. Dial the 4-digit Dial Block code (as set in programming).
4. Dial the extension number to blocked.
5. Dial 1.
 Confirmation tone is heard.
6. Press Speaker or replace the handset to hang up.
To release Dial Block from another extension:
1. At the multiline terminal, press Speaker.
- OR -
At the single line telephone, lift the handset.
2. Dial 701.
3. Dial the 4-digit Dial Block code.
4. Dial the extension number to be released from Dial Block.
5. Dial 0.
 Confirmation tone is heard.
6. Press Speaker or replace the handset to hang up.