Abstract
VoIP is increasingly used in voice communication systems, where integration of legacy radios is an important feature. In addition to managing radio channel access, requiring Push-to-Talk (PTT) and Squelch signals, also cross coupling of radio channels is an important feature in air traffic control and public safety applications. Therefore we present a signaling approach based on the Session Initiation Protocol (SIP) in combination with a dynamic master slave model. It provides compatibility with standard SIP-phones and the existing expiry mechanism is used for detection of failure states. We complete our contribution with estimations of the audio and PTT-request delay in a coupled sector.
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© 2005 Springer-Verlag Berlin Heidelberg
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Kurth, C., Kampichler, W., Göschka, K.M. (2005). Frequency Cross-Coupling Using the Session Initiation Protocol. In: Lorenz, P., Dini, P. (eds) Networking - ICN 2005. ICN 2005. Lecture Notes in Computer Science, vol 3420. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31956-6_80
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DOI: https://doi.org/10.1007/978-3-540-31956-6_80
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-25339-6
Online ISBN: 978-3-540-31956-6
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