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STTM180703TestInstruction1. Phone to be registered to the exchange, Digiest authentication support. To apply the register procedure again before the register timeout period expires. 2. Voice test with an extension of the exchange, sound quality 3. Making hold, listening to the music on hold. 4. Call transfer feature 5. Conference feature 6. LDAP feature 7. BLF feature 8. COLP feature 9. CLIP Feature 10. Secondary/fail over sip server 11. Media sending to different ports and ip addresses in ringing and OK messages 12. Handsfree 13. Sip Transport protokol - Srtp |