Which of the following are ITU standards for voice compression?

Three main steps required in the analog-to-digital conversion process?

Which QoS technique can be used to ensure consistent delivery and throughput of voice packets?

On which IP enabled device can VoIP telephone services work?

Which VoIP protocol is an emerging standard for PSTN gateway control?

How many bits are there in a MAC address?

Most common trunk signal type used by E&M signaling?

Stateful firewalls do not remember the previous traffic that has occurred earlier in the session

Which one provide transport security by using encryption, data integrity and data authentication?

Which one is responsible for electrical echo on telephone networks?

Which signaling protocol can be used with gateways over a VoIP network?