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Can I ask from a low tech management standpoint:<br />
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1) Is it common in organisations to encrypt voip traffic<br />
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2) Is the reason your doing so to prevent eavesdropping on phone calls, or for other purposes<br />
<br />
3) How easy is it for someone to eavesdrop, plausible, or far fetched<br />
<br />
4) Is it going to cost a fortune to encrypt the traffic with over 3000 voip phones
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Can I ask from a low tech management standpoint:

1) Is it common in organisations to encrypt voip traffic

2) Is the reason your doing so to prevent eavesdropping on phone calls, or for other purposes

3) How easy is it for someone to eavesdrop, plausible, or far fetched

4) Is it going to cost a fortune to encrypt the traffic with over 3000 voip phones

voip traffic encryption

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.