powersystemsdirect says: Authorized Dealer for the Viking Electronics E-20B...The Viking Electronics E-20B door entry speakerphone is similar to the E-10, just a different look...When you push the button on the E-20B, all it really does is go off-hook, just like you picked up a phone...If you are hooking the E-20B to an extension port on an analog phone system, then, you would typically purchase this device along with a hot dialer like the K-1900-5...see more

epinions says: Epinions has the best comparison shopping information on Viking (VKRC3) Phone. ... Subscribe to More Reviews on Viking (VKRC3) Phone. Get the RSS Feed: - Add ...see more

epinions says: Viking Electronics K-1500P-D 1-Line Corded Phone. The K-1500P-D (desk) and K-1500P-W (wall) phones features a standard wall or ...see more

memestreams says: The K-1500P-D (desk) and K-1500P-W (wall) phones features a standard wall or ... The K-1500P-D or K-1500P-W can be used on an analog PABX station port or ...see more

memestreams says: ... on MemeStreams referencing the following web page: Viking Electronics Online. ... ringdown circuit, such as Viking's DLE-200B, to provide cost effective point ...see more