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imsd/packaging/imsd.service

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imsd 0.2.7 — initial public snapshot Userspace VoLTE/IMS daemon for mainline Linux phones (developed on the Fairphone 6): a GLib-free core (SIP, SDP, USIM AKA, IPsec SA setup, RTP media, call engine) behind a GDBus control daemon, a standalone AMR-WB media leg, and a Plasma Dialer backend. C++26 modules built with Crafter Build; the tree is clean under the project's house-style linter (crafter-build lint) across all three build products. Assisted-by: Claude:claude-fable-5 Signed-off-by: Jorijn van der Graaf <jorijnvdgraaf@catcrafts.net>
2026-07-22 22:53:28 +02:00
# SPDX-License-Identifier: GPL-3.0-only
# SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
[Unit]
Description=Userspace IMS/VoLTE daemon (SIP register + calls over the ims PDN)
# needs the ims PDN (multiplexed netdev + global v6) — ims-pdn-up.sh
# creates/connects the bearer through ModemManager and configures the netdev
After=ModemManager.service network.target
Wants=ModemManager.service
[Service]
Type=simple
ims-pdn-up: log mmcli errors, gate on registration, configurable ip-type Three hardenings, each of which cost a field-debugging round-trip: - Every mmcli failure now lands in the journal verbatim (create-bearer and connect stderr were swallowed, making 'connect attempt N failed' undecodable — no-service and interface-in-use looked identical). - Connect attempts are gated on network registration (up to IMS_REG_TIMEOUT, default 300 s): the 10x10 s window is shorter than some carriers' post-boot attach (~2 min measured), so every attempt could burn out before the network was even attached. The settled modem/packet-service state is logged either way. - Bearer ip-type is configurable via IMS_IP_TYPE in /etc/imsd.env (default ipv6); the bearer find/reuse now matches ip-type too, so a config change cannot silently reuse a stale bearer of the old type. TimeoutStartSec grows 600->900 to cover the registration gate. Tested on the FP6 dev phone (KPN): clean-state bring-up in 4 s; gate + timeout path with modem disabled; per-attempt error lines on a real contested-PDN failure (second ims PDN while one is connected); idempotent reuse + REGISTERED (fresh) via systemd. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-09-01 18:10:04 +02:00
# bring up the ims PDN first; waits for modem + network registration,
# idempotent. worst case ~14 min (2 min modem wait + 5 min registration
# gate + connect retries), hence TimeoutStartSec
imsd 0.2.7 — initial public snapshot Userspace VoLTE/IMS daemon for mainline Linux phones (developed on the Fairphone 6): a GLib-free core (SIP, SDP, USIM AKA, IPsec SA setup, RTP media, call engine) behind a GDBus control daemon, a standalone AMR-WB media leg, and a Plasma Dialer backend. C++26 modules built with Crafter Build; the tree is clean under the project's house-style linter (crafter-build lint) across all three build products. Assisted-by: Claude:claude-fable-5 Signed-off-by: Jorijn van der Graaf <jorijnvdgraaf@catcrafts.net>
2026-07-22 22:53:28 +02:00
ExecStartPre=/usr/libexec/ims-pdn-up.sh
ims-pdn-up: log mmcli errors, gate on registration, configurable ip-type Three hardenings, each of which cost a field-debugging round-trip: - Every mmcli failure now lands in the journal verbatim (create-bearer and connect stderr were swallowed, making 'connect attempt N failed' undecodable — no-service and interface-in-use looked identical). - Connect attempts are gated on network registration (up to IMS_REG_TIMEOUT, default 300 s): the 10x10 s window is shorter than some carriers' post-boot attach (~2 min measured), so every attempt could burn out before the network was even attached. The settled modem/packet-service state is logged either way. - Bearer ip-type is configurable via IMS_IP_TYPE in /etc/imsd.env (default ipv6); the bearer find/reuse now matches ip-type too, so a config change cannot silently reuse a stale bearer of the old type. TimeoutStartSec grows 600->900 to cover the registration gate. Tested on the FP6 dev phone (KPN): clean-state bring-up in 4 s; gate + timeout path with modem disabled; per-attempt error lines on a real contested-PDN failure (second ims PDN while one is connected); idempotent reuse + REGISTERED (fresh) via systemd. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-09-01 18:10:04 +02:00
TimeoutStartSec=900
imsd 0.2.7 — initial public snapshot Userspace VoLTE/IMS daemon for mainline Linux phones (developed on the Fairphone 6): a GLib-free core (SIP, SDP, USIM AKA, IPsec SA setup, RTP media, call engine) behind a GDBus control daemon, a standalone AMR-WB media leg, and a Plasma Dialer backend. C++26 modules built with Crafter Build; the tree is clean under the project's house-style linter (crafter-build lint) across all three build products. Assisted-by: Claude:claude-fable-5 Signed-off-by: Jorijn van der Graaf <jorijnvdgraaf@catcrafts.net>
2026-07-22 22:53:28 +02:00
# /run/imsd.env: written by ims-pdn-up.sh (DEV= the connected ims netdev).
# /etc/imsd.env: admin configuration — PCSCF= is REQUIRED (the carrier's
# P-CSCF address; see the README's Configuration section) and wins over the
# runtime-derived values.
EnvironmentFile=-/run/imsd.env
EnvironmentFile=-/etc/imsd.env
# registration state (imsreg.state) + media stats live here
StateDirectory=imsd
ExecStart=/usr/bin/imsd
# registration: resume an existing SA when possible (avoids fresh-SA
# throttles); a failed bring-up exits nonzero and systemd retries
Restart=on-failure
RestartSec=120
# SIGTERM: engine keeps the SA + registration state for the next resume
KillMode=mixed
TimeoutStopSec=10
[Install]
WantedBy=multi-user.target
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