Product description:
1. The outside threats allelic dial-up function:
2. Before a long full elastic coding function:
3. The deposit real-time control functions:
4. Outside busy waiting to send music function:
5. To work voice and extension level automatic switch function:
6. Outside threats conference call function:
7. When the extension is busy outside switching speed provide hurried hang functions:
8. Dial the outside function intelligent routing to select:
9. The perimeter through consultation can be realized through music and waiting for the function:
10. The paint group function:
