A Cisco Emergency Responder PSAP callback can miss the original caller when the ELIN mapping is overwritten by later calls; Cisco advises defining more ELINs per ERL if call volume exceeds the ELIN count.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Cisco Emergency Responder
- Subsystem
- Troubleshooting
- Deployment
- on-premises
- Region
- us
- Release range
- Release 15 and SUs
- Checked
- 2026-10-01
Sources
- Cisco Emergency Responder Administration Guide, Release 15 and SUs - Troubleshoot Cisco Emergency Responder — Cisco Systems · tier 2 current vendor documentation · Troubleshoot Cisco Emergency Responder > PSAP callback subsection
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-cer-callback-elin-overwrite. WarmTransfer. https://warmtransfer.net/knowledge/claims/e911-routing-failures-cer-callback-elin-overwrite
BibTeX
@misc{warmtransfer-claim-e911-routing-failures-cer-callback-elin-overwrite,
title = {Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-cer-callback-elin-overwrite},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e911-routing-failures-cer-callback-elin-overwrite},
note = {Source note e911-routing-failures-cer-callback-elin-overwrite, checked 2026-10-01}
}